Anthothela grandiflora Sars 1856
Anthothela grandiflora (Sars, 1856) (Figs. 4–15) Briareum grandiflorum Sars, 1856: 63 –65, Pl. X Figs. 10–12; 1857: 238; Storm 1879b: 123; 1892: XXVII. Anthothela insignis Verrill, 1879a: 15. Anthothela grandiflora (Sars, 1856): Verrill 1879a: 199; 1879b: 32; 1883: 40, Pl. IV Figs. 6, 6 a; 1885: 535...
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2017
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Online Access: | https://dx.doi.org/10.5281/zenodo.6015360 https://zenodo.org/record/6015360 |
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ftdatacite:10.5281/zenodo.6015360 |
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record_format |
openpolar |
institution |
Open Polar |
collection |
DataCite Metadata Store (German National Library of Science and Technology) |
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topic |
Biodiversity Taxonomy Animalia Cnidaria Anthozoa Alcyonacea Anthothelidae Anthothela Anthothela grandiflora |
spellingShingle |
Biodiversity Taxonomy Animalia Cnidaria Anthozoa Alcyonacea Anthothelidae Anthothela Anthothela grandiflora Moore, Kirrily M. Alderslade, Philip Miller, Karen J. Anthothela grandiflora Sars 1856 |
topic_facet |
Biodiversity Taxonomy Animalia Cnidaria Anthozoa Alcyonacea Anthothelidae Anthothela Anthothela grandiflora |
description |
Anthothela grandiflora (Sars, 1856) (Figs. 4–15) Briareum grandiflorum Sars, 1856: 63 –65, Pl. X Figs. 10–12; 1857: 238; Storm 1879b: 123; 1892: XXVII. Anthothela insignis Verrill, 1879a: 15. Anthothela grandiflora (Sars, 1856): Verrill 1879a: 199; 1879b: 32; 1883: 40, Pl. IV Figs. 6, 6 a; 1885: 535; Storm 1896: XXI; Whiteaves 1901: 32; (part) Broch 1912b: 5 –9, Figs. 1–3; (?part) Molander 1918c: 6 –8, Fig. 1;? Kükenthal 1919: 17, 19, 26, 43–44, 672, 681–685, 730, 788, 796, Figs. 17, 315; (part) Verrill 1922: 18 –19, Fig. 2, Pl. VI Figs. 1–4;? Kükenthal 1924: 14 –16, Figs. 13–14; (part) Thomson 1927: 16 –18, Pl. I Fig. 20, Pl. III Fig. 34, Pl. IV Figs. 6, 16, Pl. V Fig. 28; Molander 1929: 35 –37; Thomson 1929: 4; Aurivillius 1931: 10;? Deichmann 1936: 75, 78–79; (part) Stiasny 1937: 20 –23, Figs. F1, F2, Pl. I Figs. 6, 7;? Verseveldt 1940: 37 –47, Figs. 13–15; (part) Madsen 1944: 32 –33, Fig. 32; Carlgren 1945: 33 – 34, Fig. 8; Bayer 1956b: F194, Fig. 140,3; Bayer 1961: 67 –68; Tixier-Durivault & d'Hondt 1974: 1393; Grasshoff 1981: 745, Karte 1, 942; Carpine & Grasshoff 1985: 11 –12; Verrill in Bayer & Cairns 2004: Pl. 64 Fig. 8, 8 b; Watling & Auster 2005: 292; Arantes & de Medeiros 2006: 11 –17, Figs. 1–4. ? Gymnosarca bathybius Saville Kent, 1870: 397, Pl. 21 Figs. 1–4 but see Stiasny 1937: 19. NOT: Anthothela grandiflora (Sars, 1856): Möbius 1873: 260 [thought to be Eunephthya? ] see Madsen 1944 NOT: Anthothela grandiflora (Sars, 1856): Storm 1879: 144 [found to be Anthelia fallax Broch, 1912a] NOT: Anthothela grandiflora (Sars, 1856): Grieg 1890: 11 [thought to be Paramuricea sp.] NOT: Anthothela grandiflora (Sars, 1856): Grieg 1894: 3, Pl. I Figs. 1–2 [found to be Lateothela grandiflora n. comb. ] Material examined. Holotype: NHM, UIOslo B1365 , Öxford, Finmark, northern Norway, depth 365 m, no date recorded; ZMUC ANT- 000470 , same data as holotype and labelled as a “co-type”. Other material: NTNU-VM 63139 , Agdeneståa, Trondheimsfjord, Norway, 63.646°N, 9.752°E, depth 100– 250 m, Torkild Bakken, 21st June 2001; NTNU-VM 63141 , Rødberg, Trondheimsfjord, Norway, 63.468°N, 9.999°E, depth 200–300 m, Torkild Bakken, 5th December 2006; NTNU-VM 40341 (part) , Dyrviknes 27, Trondheimsfjord, Norway, 63.603°N, 9.757°E, depth 120 m, 18th May 1965; NTNU-VM 67148 & 67149 , Brettingen, Trondheimsfjord, Norway, RV Gunnerus, stn. 2011022, 63.659°N, 9.798°E, depth 200– 100 m, Torkild Bakken, 14th June 2011; NTNU-VM 40338 & 40339 , unknown locality, determined by Broch 1912; ZMUB 17759 (part) , Skarnsundet, Trondheimsfjord, Norway, August 1899; ZMUB 12187 , Molde, Julneset, Midfjord, Norway, RV G.O.Sars , stn. 101, depth 275 m; ZMUB 60328 , Langenuen, Klinkholmen, Tysnes, Norway, August 1894; ZMUB 455 , Haakonsund, Norway, determined by Danielessen & Koren; NHM, UIOslo B1366 , Selsövik, Norway, depth 182 m; ZMUC-ANT-000470, Brettingsnes, Trondhjemsfjord, Norway, depth 150 m, 21st September 1934; ZMUC-ANT-000469, Rødberg, Trondhjemsfjord, Norway, depth 150–300 m, 17th July 1911; ZMB 5527 (part), Rødberg, Trondheimsfjord, Norway, depth 300–350 m, 1913; MCZ 51047, Banquereau Bank, off Nova Scotia, Canada, U. S. Fish Commission no. 5705, Gloucester Fisheries Lot 418, 44.217°N, 58.033°W, depth 320 m, 1973; MCZ 51048, unknown locality; MCZ 50734, Browns Bank, east coast of Canada, schooner Chester B. Lawrence , 42.517°N, 64.333°W, depth 300 f (feet or fathoms), Capt. Wm. H. Greenleaf; MOVI 20919, east coast of Rio Grande do Sul, Brazil, 34.324°S, 51.572°W, depth 822 m, 5th March 2002; unregistered specimen, NEREIDA 0 610, zone NAFO, tow DR72, 46.0239°N, 46.686°W, depth 710 m, collected by Tina Molodtsova thanks to Mar Sacau and Javier Murillo Perez (IEO, Vigo, Spain) and sampling program NEREIDA, 28th June 2010. Description: Colony form: The holotype is made up of many fragments of a tangled colony which once was described as “die Grösse eines Menschenkopfes” (translated as “the size of a human head”) (Broch 1912b) (Fig. 4 A). There is no central trunk or evidence of main branches and there is no consistent arrangement of branching. In Sars’ original description, he made it clear (“D'ailleurs il n'y a aucune différence entre les tiges et les branches: elles ont la même apparence, la même forme, la même grosseur“) that there is no difference between stems or branches: they have the same appearance, same form and same size. Many of the fragments are small pieces of narrow branches which are often twisted and tangled so it is impossible to reconstruct the colony into the original shape. There are also multiple anastomoses and bifurcations throughout the colony fragments (Fig. 4 B). Examples of membranous portions of the colony are evident including the holdfast which is encrusting a piece of coral rubble. Several branches emanate from the membranous parts of the colony. Most branches are of a relatively uniform diameter (approximately 2.2–3.4 mm), although there are some outside this range (1.3–4.2 mm), and they are basically circular in cross-section, although calyces and bifurcation points tend to cause some distortion. Calyces occur with no apparent order along and all around the branches throughout the colony. The greatest distance between calyces is approximately 12 mm although they are more commonly closer together. Tight bunches of calyces occur on the branch tips where there is very little or no space between them (Fig. 5 A). Isolated calyces are also evident on the membranous parts of the colony. The colony is in good condition, albeit in many fragments, with many polyps still attached and, in general, the cortex is complete. Colour: In the original description no mention was made regarding the live colour, although Sars did comment that the medulla is a darker colour than the cortex. The holotype is now light brown to cream in alcohol. Other specimens recently collected are creamy pink (Fig. 13 B, C). Polyps and calyces: Calyces are tall, flat-topped, robust cylinders which protrude basically at right angles from the branches (Fig. 5 B). They are usually between 2.2–3.2 mm high although there are some larger ones up to 4.5 mm. Polyps may extend 1.4–2.6 mm above the lip of the calyx and are approximately 2–3mm wide. Calyces and polyps are usually taller than they are wide. Sars considered the relatively large size of the calyces and polyp as a distinguishing factor, mentioning that the height of the “cellules polypifères” is generally twice the diameter of the branches. The calyces do not have obvious longitudinal ridges although there can be slight bulges where the base of the tentacles meet the calyx lip. Most of the polyps are partly retracted such that the base of the polyp head rests on the lip of the calyx and the polyp neck is not visible (Fig. 5 B) but there are some examples where polyps are fully retracted into their calyx (Fig. 5 Aa) despite Sars stating that he did not observe any in this state. Occasionally fully exsert polyps occur, with the polyp neck visible—a polyp and calyx combined then being up to 6.5 mm high. All polyp heads are well protected by crowded sclerites arranged as points and an indistinct collaret, and the visible polyp necks are also covered in sclerites. The tentacles fold into the polyp mouth so the polyp heads are rounded mounds with eight distinct furrows (Fig. 5 B). There are approximately 12 pinnules along each side of the tentacles with a fan of pinnules around the tip. Medulla and Cortex: The central medulla is made up of tightly packed, longitudinally and obliquely placed sclerites, surrounded by a thin cortex which is separated from the medulla by a ring of longitudinal boundary canals (Fig. 5 C). The canals run parallel and close together throughout the colony and remain identifiable as individual canals. They do not extensively anastomose or form a boundary space as such but do provide a clear separation of the medulla from the cortex. In the thickest branches, presumably older and from closer to the base of the colony, there may be some patches where the density of medulla sclerites lessens. These patches appear as indistinct canals in the central medulla (Fig. 5 D) and are easily deformed or obscured by sclerites during the making of a crosssection. In thinner branches, presumably younger and farther from the base of the colony, the ill-defined canals in the centre of the medulla are only occasionally visible in cross-section. For polyps along the branches, body cavities truncate abruptly forming a flat base where they abut the medulla, while polyps which are clumped at the branch tips have a body cavity which extends somewhat deeper within the branch, eventually finishing at the start of the medulla proper. Sclerites: Polyps, calyces and cortex are all covered in crowded sclerites. On the polyp head transversely arranged sclerites form an indistinct collaret approximately 8 sclerites deep, while above they are arranged en chevron grading to longitudinal in the points (Fig. 5 B). These sclerites are mostly straight or slightly curved sticks and spindles with simple tubercles (Fig. 6). Sizes can range from 0.4–1.3 mm but most are between 0.45–0.85 mm. Some sclerites have the distal tip with mildly more developed tubercles or spines (Fig. 6 a). Very occasionally, sclerites can have complex warts. Below the collaret, similar sclerites are arranged obliquely on the polyp neck, sparser than on the polyp head, presumably to allow the polyp to invaginate at the neck area. Along the aboral side of the tentacle, sclerites are arranged longitudinally (Fig. 7 A) and are all mostly similar to the sclerites from the points although shorter. They are straight or slightly curved tuberculate sticks and spindles with complex warts occurring occasionally and processes slightly more developed on one end (Fig. 7 B). Sclerites grade in size from longest (0.5 mm) at the proximal end of the tentacle to shortest (0.25 mm) at the distal end. Long, thin, spatulate clubs extend longitudinally most of the way down the pinnules (Fig. 8 A). These sclerites are crowded, with the spatulate tip toward the distal end of the pinnules, and are easily broken during dissection. The spatulate clubs have long, narrow handles and flattened, occasionally forked, tips and are usually straight but can be curved or with bent tips (Fig. 8 Ba). There are also short rods with sparse tubercles, narrow sticks and spindles without a flattened tip and very small spindles in the pinnules (Fig. 8 Bb). The size of the spatulate clubs ranges from 0.34–0.5 mm while the smaller rods and spindles are approximately 0.08–0.21 mm long. Small rods (0.08–0.24 mm long) with cone-like prominences and sparse warts occur in the pharynx (Fig. 9 A). These sclerites are arranged in ill-defined lines in the pharynx corresponding to the mesenterial insertions and are not crowded (Fig. 9 B). The sclerites of the calyx are arranged in a dense layer, longitudinally to obliquely in the wall. They are short, straight or slightly curved sticks and spindles mostly with simple tubercles (Fig. 10). Occasionally more complex warts occur and some sclerites have a clavate tip with slightly flared or foliose spines (Fig. 10 a) but they do not form true thorn clubs. The sclerites have a small size range, only varying from approximately 0.23–0.45 mm long. The sclerites from the cortex are similar to those in the calyces—small, straight, tuberculate sticks and spindles of a fairly uniform shape and size (Fig. 11). Most of the sclerites are between 0.16 and 0.38 mm in length but slightly longer sclerites also occur. Occasionally, sclerites with more complex warts occur but more commonly the tubercles are simple and relatively sparse. Some sclerites can have one marginally more complex tip making them slightly clavate (Fig. 11 a). The medulla is composed of tightly packed sclerites, mainly sticks and spindles with simple to complex tubercles (Fig. 12). There are examples of fusion, branching and forking among the sclerites resulting in quite complex forms. The length of the sclerites can vary considerably (0.2–0.9 mm) and the longest are probably underrepresented in the figure as it is difficult to sample them without breakage. All sclerites are transparent and colourless under transmitted light. Variability: Variability of sclerite development within this species appears to be quite substantial. The holotype is from the northern tip of Norway, at the extreme northern point of the distribution of the specimens examined, and it is a specimen with a very consistent form of sclerites (sticks and spindles with simple tubercles) from the aboral side of the tentacles, points, collaret, calyx and the cortex (unfortunately no specimens which are geographically close to the holotype were available). Other specimens have considerable variation in the complexity and shape of the sclerites. One specimen, NTNU-VM 67149, from Trondheimsfjord, Norway, has sclerites from the calyx which are more often club-shaped with very complex warts and spines in addition to the sticks and spindles with simple tubercles like those in the holotype (Fig. 13 A). Such complex sclerites in the calyx are common in other specimens investigated, particularly in specimens from the Trondheimsfjord, yet the colony, polyp form and the other sclerites are similar to those in the holotype. Photographs of two specimens from Trondheimsfjord taken soon after collection (NTNU-VM 67149 and NTNU-VM 67148) demonstrate the live colour to be creamy pink (Fig. 13 B, C). In addition, there are many specimens with more complex and larger sclerites from the tentacles, points and surface than those observed in the holotype. In particular, despite much similarity with the holotype in other areas, the sclerites from the tentacles of ZMUC-ANT-000470 and NTNU-VM 40338 have more developed processes on the distal tips (Fig. 14 A, B). At this stage, it is assumed they are more complex versions of those in the tentacle rachis of the holotype, although further collections may allow a definitive delimitation within these degrees of complexity. Similarly, the colony surface of sample NTNU-VM 63139, along with small sticks and spindles like those of the holotype, has numerous short, straight, club-shaped forms with smooth areas as well as more developed spines and warts (Fig. 15). These surface sclerites were recorded in lesser amounts in other specimens as well, but not the holotype. Distribution: Confirmed records are from the north eastern Atlantic Ocean in deep coastal waters and fjords of Norway and Iceland; north western Atlantic Ocean, in deep waters off the coast of Canada and USA; the Gulf of Biscay, off the west coast of France; and the south western Atlantic Ocean off the coast of southern Brazil. Depth: Confirmed specimens 100–960 metres; most commonly between 100–500 metres. Remarks: There has been much confusion over many years between A. grandiflora and material that has herein been assigned to the new genus Lateothela. In every collection examined which contained specimens of A. grandiflora , specimens of Lateothela n. gen. were also found, almost always erroneously determined as A. grandiflora. In Broch’s (1912b) extensive re-description of A. grandiflora it now seems clear that he included more than one specimen in his description, and at least one of these was likely to have been a specimen of Lateothela grandiflora n. comb. The figure of the small, warty rodlets from the calyces and cortex (Broch 1912b Fig. 2a, b), which are common in L. grandiflora n. comb. but do not occur in any significant number in A. grandiflora, perpetuated the confusion between the two genera. One of the chief morphological differences between these two species is the preponderance of these rodlets in the calyces and cortex of L. grandiflora n. comb. (mixed with tuberculate sticks and spindles) compared with their rarity in A. grandiflora. Other differences between the two species are colony form and differences in the pinnule and tentacle sclerites. Much of the subsequent literature perpetuated Broch’s (1912b) incorrect description, thus some later determinations and descriptions of specimens are clearly incorrect or cannot be confirmed (Verrill 1922; Stiasny 1937; Verseveldt 1940; Madsen 1944) and many specimens remain incorrectly identified. For example, Verrill (1922) when describing A. grandiflora stated the figures are “from the type described in 1869”, but Plate VI Fig. 1 in particular, and his description of the appearance of the calyces, appears to depict L. grandiflora n. comb. with the small warty rodlets in the calyx and surface. However, the colony depicted in Verrill’s Text Figure 2 is more like the holotype of A. grandiflora and not of a colony of L. grandiflora n. comb. There is no way to confirm exactly which specimen (or specimens?) Verrill figured in this paper, however it is possible it may not have been the holotype of A. grandiflora, or perhaps he used more than one specimen to assemble the description. Additionally, this current research has confirmed that of the specimens listed as A. grandiflora in Madsen (1944) three are valid, but one specimen (‘Thor’ Stat 168) is an example of L. grandiflora n. comb. —another instance of the confusion of the two species. The variation observed amongst specimens of A. grandiflora shows the holotype to be a specimen with minimal complexity in the warts and tubercles of the sclerites and in the shape of the sclerites themselves. Nevertheless, the tangled colony form, long thin spatulate clubs in the pinnules and generally simple tuberculate sticks and spindles with a tendency to be clavate seem to be consistent across the specimens examined. At this stage there are not enough consistent differences to reliably delimit other species within the sample set, however, considering the large geographic range which is currently recorded for this species it would not be surprising if future studies can confidently define other Anthothela species within this group. A. grandiflora as detailed here appears to be reasonably wide-spread in the deep waters of the Atlantic Ocean. Anthothela tropicalis and Anthothela quattriniae n. sp. also occur in the Atlantic, although A. quattriniae n. sp. is currently only recorded from the Gulf of Mexico. Both of these species have large thorn clubs, which are thorny in A. tropicalis (Fig. 38) and bulbous in A. quattriniae n. sp. (Fig. 63), and both have colonies with very prickly surfaces with the thorn clubs p : Published as part of Moore, Kirrily M., Alderslade, Philip & Miller, Karen J., 2017, A taxonomic revision of Anthothela (Octocorallia: Scleraxonia: Anthothelidae) and related genera, with the addition of new taxa, using morphological and molecular data, pp. 1-212 in Zootaxa 4304 (1) on pages 20-34, DOI: 10.11646/zootaxa.4304.1.1, http://zenodo.org/record/842289 : {"references": ["Sars, M. (1856) Nouveau polypes. In: Sars, M., Koren, J. & Danielssen, D. C. (Eds.), Fauna littoralis Norvegiae. Beyer, 1846 - 1877, Bergen, pp. 63 - 79.", "Verrill, A. E. (1879 a) Notice of recent additions to the marine Invertebrata, of the northeastern coast of America, with descriptions of new genera and species and critical remarks on others. Part I - Annelida, Gephyraea, Nemertina, Nematoda, Polyzoa, Tunicata, Mollusca, Anthozoa, Echinodermata, Porifera. Proceedings of the U. S. National Museum, 2, 165 - 226. https: // doi. org / 10.5479 / si. 00963801.76.165", "Whiteaves, J. F. (1901) Catalogue of the marine invertebrata of eastern Canada. S. E. Dawson, Printer to the King's Most Excellent Majesty, Ottawa, 271 pp. http: // dx. doi. org / 10.5962 / bhl. title. 64454", "Broch, H. (1912 b) Die Alcyonarien des Trondhjemsfjordes. II. Gorgonacea. Det Kongelige Norske Fidenskabers Selskabs Skrifter 1912, 2, 1 - 48.", "Molander, A. R. (1918 c) Membranose ausbildung der kolonien bei Gorgonacea. Arkiv for Zoologi, 11 (21), 1 - 19.", "Kukenthal, W. (1919) Gorgonaria. Wissenschaftlishe Ergebnisse der deutschen Tiefsee- Expedition auf dem Dampfer \" Faldivia \" 1898 - 1899, 13 (2), 1 - 946. http: // dx. doi. org / 10.1038 / 078267 a 0", "Verrill, A. E. (1922) The Alcyonaria of the Canadian Arctic Expedition, 1913 - 1918, with a revision of some other Canadian genera and species. Report of the Canadian Arctic Expedition 1913 - 1918, 8, 1 - 164.", "Kukenthal, W. (1924) Coelenterata, Gorgonaria Das Tierreich, 47, 1 - 478.", "Thomson, J. A. (1927) Alcyonaires provenant des campagnes scientifiques du Prince Albert Ier de Monaco. Resultats des Campagnes Scientifiques Monaco, 73, 1 - 77.", "Molander, A. R. (1929) Die Octactiniarien. Further Zoological Results of the Swedish Antarctic Expedition 1901 - 1903, 2 (2), 1 - 86.", "Thomson, J. A. (1929) Alcyonaires des environs de Monaco et de localites diverses. Bull l'Institut oceanographique, Monaco, 26 (354), 1 - 10.", "Aurivillius, M. (1931) The Gorgonarians from Dr. Sixten Bock's expedition to Japan and Bonin Islands 1914. Kungliga Svenska Fetenskapsakademiens Handlingar, 9 (4), 1 - 337.", "Deichmann, E. (1936) The Alcyonaria of the western part of the Atlantic Ocean. Memoirs of the Museum of Comparative Zoology, 3, 1 - 317. http: // dx. doi. org / 10.5962 / bhl. title. 49348", "Stiasny, G. (1937) Die Gorgonacea der Siboga Expedition. Supplement II, Revision der Scleraxonia mit ausschluss der Melitodidae und Coralliidae Siboga Expedition Monograph, 13 b (8), 1 - 138.", "Verseveldt, J. (1940) Studies on Octocorallia of families Briareidae, Paragorgiidae and Anthothelidae. Temminckia, V, 1 - 142.", "Madsen, F. J. (1944) Octocorallia. The Danish Ingolf-Expedition, V (13), 1 - 65.", "Carlgren, P. D. O. (1945) Polypdyr III. Koraldyr. Danmarks Fauna, 51, 1 - 167.", "Bayer, F. M. (1956 b) Octocorallia. In: Moore, R. C. (Ed.), Treatise on Invertebrate Paleontology, Part F. Coelenterata. Geological Society of America and University of Kansas Press, Lawrence, Kansas, pp. 166 - 230 (F 166 - F 230).", "Bayer, F. M. (1961) The shallow-water Octocorallia of the West Indian region: a manual for biologists. Martinus Nijhoff, The Hague, 373 pp.", "Tixier-Durivault, A. & d'Hondt, M. - J. (1974) Les Octocoralliaires de la campagne Biacores. Bulletin du Museum National d'Histoire Naturelle, 174, 1361 - 1433.", "Grasshoff, M. (1981) Die gorgonaria, pennatularia and antripatharia des Tiefwassers der Biskaya (Cnidaria: Anthozoa). I. Allgemeiner Teil. Bulletin du Museum National d'Histoire Naturelle, Serie 4, 3 (Section A, No. 3), 731 - 766.", "Carpine, C. & Grasshoff, M. (1985) Catalogue critique des octocoralliaires des collections du Musee oceanographique de Monaco. I. Gorgonaires et pennatulaires. Bull l'Institut oceanographique, Monaco, 73 (1435), 1 - 71.", "Watling, L. & Auster, P. J. (2005) Distribution of deep-water Alcyonacea off the northeast coast of the United States. In: Freiwald, A. & Roberts, J. M. (Eds.), Cold Water Corals and Ecosystems. Springer-Verlag, Berlin Heidelberg, pp. 279 - 296.", "Arantes, R. C. M. & de Medeiros, M. S. (2006) Primeiro registro de Anthothela grandiflora (Sars, 1856) (Cnidaria, Octocorallia, Anthothelidae) no Brasil. Arquivos do Museu Nacional, 64 (1), 11 - 17.", "Saville Kent, W. (1870) On two new genera of Alcyonoid corals, taken in the recent expedition of the yacht Norna off the coast of Spain and Portugal. Quarterly Journal of Micros Science, 10, 397 - 399.", "Mobius, K. (1873) Coelenterata, Echinodermata, Bryozoa, welche wahrend der Pommeraniafahrt nach Arendal gefangen wurden. Bericht der Kommission zur Wissenschaftlichen Untersuchung der Deutschen Meere, 1, 149 - 150.", "Broch, H. (1912 a) Die Alcyonarien des Trondhjemsfjordes. I. Alcyonacea. Det Kongelige Norske Fidenskabers Selskabs Skrifter 1911, 7, 1 - 48.", "Grieg, J. A. (1890) Tre nordiske alcyonarier. (Med en tavle.). Tre nordiske alcyonarier, 2, 3 - 13.", "Grieg, J. A. (1894) Bidrag til kjendskaben om de nordiske alcyonarier. Bergens Museum Aarbog 1893, 11, 1 - 21."]} |
format |
Text |
author |
Moore, Kirrily M. Alderslade, Philip Miller, Karen J. |
author_facet |
Moore, Kirrily M. Alderslade, Philip Miller, Karen J. |
author_sort |
Moore, Kirrily M. |
title |
Anthothela grandiflora Sars 1856 |
title_short |
Anthothela grandiflora Sars 1856 |
title_full |
Anthothela grandiflora Sars 1856 |
title_fullStr |
Anthothela grandiflora Sars 1856 |
title_full_unstemmed |
Anthothela grandiflora Sars 1856 |
title_sort |
anthothela grandiflora sars 1856 |
publisher |
Zenodo |
publishDate |
2017 |
url |
https://dx.doi.org/10.5281/zenodo.6015360 https://zenodo.org/record/6015360 |
long_lat |
ENVELOPE(15.954,15.954,68.260,68.260) ENVELOPE(-69.117,-69.117,-68.517,-68.517) ENVELOPE(-44.583,-44.583,-60.700,-60.700) ENVELOPE(13.400,13.400,65.585,65.585) ENVELOPE(-66.590,-66.590,-66.803,-66.803) ENVELOPE(-73.189,-73.189,-71.568,-71.568) ENVELOPE(-59.467,-59.467,-63.817,-63.817) ENVELOPE(13.817,13.817,67.058,67.058) ENVELOPE(7.159,7.159,62.738,62.738) ENVELOPE(164.217,164.217,-74.633,-74.633) ENVELOPE(21.412,21.412,70.345,70.345) ENVELOPE(9.752,9.752,63.645,63.645) ENVELOPE(9.817,9.817,63.667,63.667) ENVELOPE(6.982,6.982,62.725,62.725) |
geographic |
Arctic Antarctic Canada Norway Indian Bergen Tysnes Perez Browns Bakken Holdfast Grieg Auster Koren Molde Möbius Rødberg Agdeneståa Brettingen Julneset |
geographic_facet |
Arctic Antarctic Canada Norway Indian Bergen Tysnes Perez Browns Bakken Holdfast Grieg Auster Koren Molde Möbius Rødberg Agdeneståa Brettingen Julneset |
genre |
Antarc* Antarctic Arctic Iceland Northern Norway |
genre_facet |
Antarc* Antarctic Arctic Iceland Northern Norway |
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ftdatacite:10.5281/zenodo.6015360 2023-05-15T13:48:42+02:00 Anthothela grandiflora Sars 1856 Moore, Kirrily M. Alderslade, Philip Miller, Karen J. 2017 https://dx.doi.org/10.5281/zenodo.6015360 https://zenodo.org/record/6015360 unknown Zenodo http://zenodo.org/record/842289 http://publication.plazi.org/id/FFA2FF953E41FFB0FFDCE4287D2BDE2A http://zoobank.org/3D557C94-0783-4C39-80C3-9C321DA94800 https://zenodo.org/communities/biosyslit https://dx.doi.org/10.11646/zootaxa.4304.1.1 http://zenodo.org/record/842289 http://publication.plazi.org/id/FFA2FF953E41FFB0FFDCE4287D2BDE2A https://dx.doi.org/10.5281/zenodo.842297 https://dx.doi.org/10.5281/zenodo.842299 https://dx.doi.org/10.5281/zenodo.842301 https://dx.doi.org/10.5281/zenodo.842303 https://dx.doi.org/10.5281/zenodo.842305 https://dx.doi.org/10.5281/zenodo.842307 https://dx.doi.org/10.5281/zenodo.842309 https://dx.doi.org/10.5281/zenodo.842311 https://dx.doi.org/10.5281/zenodo.842313 https://dx.doi.org/10.5281/zenodo.842315 https://dx.doi.org/10.5281/zenodo.842317 https://dx.doi.org/10.5281/zenodo.842319 https://dx.doi.org/10.5281/zenodo.842291 https://dx.doi.org/10.5281/zenodo.842293 https://dx.doi.org/10.5281/zenodo.842295 https://dx.doi.org/10.5281/zenodo.842323 https://dx.doi.org/10.5281/zenodo.842329 https://dx.doi.org/10.5281/zenodo.842357 https://dx.doi.org/10.5281/zenodo.842321 https://dx.doi.org/10.5281/zenodo.842345 https://dx.doi.org/10.5281/zenodo.842353 https://dx.doi.org/10.5281/zenodo.842365 https://dx.doi.org/10.5281/zenodo.842415 https://dx.doi.org/10.5281/zenodo.842331 https://dx.doi.org/10.5281/zenodo.842351 https://dx.doi.org/10.5281/zenodo.842339 https://dx.doi.org/10.5281/zenodo.842375 http://zoobank.org/3D557C94-0783-4C39-80C3-9C321DA94800 https://dx.doi.org/10.5281/zenodo.6015361 https://zenodo.org/communities/biosyslit Open Access Creative Commons Zero v1.0 Universal https://creativecommons.org/publicdomain/zero/1.0/legalcode cc0-1.0 info:eu-repo/semantics/openAccess CC0 Biodiversity Taxonomy Animalia Cnidaria Anthozoa Alcyonacea Anthothelidae Anthothela Anthothela grandiflora article-journal ScholarlyArticle Taxonomic treatment Text 2017 ftdatacite https://doi.org/10.5281/zenodo.6015360 https://doi.org/10.11646/zootaxa.4304.1.1 https://doi.org/10.5281/zenodo.842297 https://doi.org/10.5281/zenodo.842299 https://doi.org/10.5281/zenodo.842301 https://doi.org/10.5281/zenodo.842303 https://do 2022-04-01T09:19:22Z Anthothela grandiflora (Sars, 1856) (Figs. 4–15) Briareum grandiflorum Sars, 1856: 63 –65, Pl. X Figs. 10–12; 1857: 238; Storm 1879b: 123; 1892: XXVII. Anthothela insignis Verrill, 1879a: 15. Anthothela grandiflora (Sars, 1856): Verrill 1879a: 199; 1879b: 32; 1883: 40, Pl. IV Figs. 6, 6 a; 1885: 535; Storm 1896: XXI; Whiteaves 1901: 32; (part) Broch 1912b: 5 –9, Figs. 1–3; (?part) Molander 1918c: 6 –8, Fig. 1;? Kükenthal 1919: 17, 19, 26, 43–44, 672, 681–685, 730, 788, 796, Figs. 17, 315; (part) Verrill 1922: 18 –19, Fig. 2, Pl. VI Figs. 1–4;? Kükenthal 1924: 14 –16, Figs. 13–14; (part) Thomson 1927: 16 –18, Pl. I Fig. 20, Pl. III Fig. 34, Pl. IV Figs. 6, 16, Pl. V Fig. 28; Molander 1929: 35 –37; Thomson 1929: 4; Aurivillius 1931: 10;? Deichmann 1936: 75, 78–79; (part) Stiasny 1937: 20 –23, Figs. F1, F2, Pl. I Figs. 6, 7;? Verseveldt 1940: 37 –47, Figs. 13–15; (part) Madsen 1944: 32 –33, Fig. 32; Carlgren 1945: 33 – 34, Fig. 8; Bayer 1956b: F194, Fig. 140,3; Bayer 1961: 67 –68; Tixier-Durivault & d'Hondt 1974: 1393; Grasshoff 1981: 745, Karte 1, 942; Carpine & Grasshoff 1985: 11 –12; Verrill in Bayer & Cairns 2004: Pl. 64 Fig. 8, 8 b; Watling & Auster 2005: 292; Arantes & de Medeiros 2006: 11 –17, Figs. 1–4. ? Gymnosarca bathybius Saville Kent, 1870: 397, Pl. 21 Figs. 1–4 but see Stiasny 1937: 19. NOT: Anthothela grandiflora (Sars, 1856): Möbius 1873: 260 [thought to be Eunephthya? ] see Madsen 1944 NOT: Anthothela grandiflora (Sars, 1856): Storm 1879: 144 [found to be Anthelia fallax Broch, 1912a] NOT: Anthothela grandiflora (Sars, 1856): Grieg 1890: 11 [thought to be Paramuricea sp.] NOT: Anthothela grandiflora (Sars, 1856): Grieg 1894: 3, Pl. I Figs. 1–2 [found to be Lateothela grandiflora n. comb. ] Material examined. Holotype: NHM, UIOslo B1365 , Öxford, Finmark, northern Norway, depth 365 m, no date recorded; ZMUC ANT- 000470 , same data as holotype and labelled as a “co-type”. Other material: NTNU-VM 63139 , Agdeneståa, Trondheimsfjord, Norway, 63.646°N, 9.752°E, depth 100– 250 m, Torkild Bakken, 21st June 2001; NTNU-VM 63141 , Rødberg, Trondheimsfjord, Norway, 63.468°N, 9.999°E, depth 200–300 m, Torkild Bakken, 5th December 2006; NTNU-VM 40341 (part) , Dyrviknes 27, Trondheimsfjord, Norway, 63.603°N, 9.757°E, depth 120 m, 18th May 1965; NTNU-VM 67148 & 67149 , Brettingen, Trondheimsfjord, Norway, RV Gunnerus, stn. 2011022, 63.659°N, 9.798°E, depth 200– 100 m, Torkild Bakken, 14th June 2011; NTNU-VM 40338 & 40339 , unknown locality, determined by Broch 1912; ZMUB 17759 (part) , Skarnsundet, Trondheimsfjord, Norway, August 1899; ZMUB 12187 , Molde, Julneset, Midfjord, Norway, RV G.O.Sars , stn. 101, depth 275 m; ZMUB 60328 , Langenuen, Klinkholmen, Tysnes, Norway, August 1894; ZMUB 455 , Haakonsund, Norway, determined by Danielessen & Koren; NHM, UIOslo B1366 , Selsövik, Norway, depth 182 m; ZMUC-ANT-000470, Brettingsnes, Trondhjemsfjord, Norway, depth 150 m, 21st September 1934; ZMUC-ANT-000469, Rødberg, Trondhjemsfjord, Norway, depth 150–300 m, 17th July 1911; ZMB 5527 (part), Rødberg, Trondheimsfjord, Norway, depth 300–350 m, 1913; MCZ 51047, Banquereau Bank, off Nova Scotia, Canada, U. S. Fish Commission no. 5705, Gloucester Fisheries Lot 418, 44.217°N, 58.033°W, depth 320 m, 1973; MCZ 51048, unknown locality; MCZ 50734, Browns Bank, east coast of Canada, schooner Chester B. Lawrence , 42.517°N, 64.333°W, depth 300 f (feet or fathoms), Capt. Wm. H. Greenleaf; MOVI 20919, east coast of Rio Grande do Sul, Brazil, 34.324°S, 51.572°W, depth 822 m, 5th March 2002; unregistered specimen, NEREIDA 0 610, zone NAFO, tow DR72, 46.0239°N, 46.686°W, depth 710 m, collected by Tina Molodtsova thanks to Mar Sacau and Javier Murillo Perez (IEO, Vigo, Spain) and sampling program NEREIDA, 28th June 2010. Description: Colony form: The holotype is made up of many fragments of a tangled colony which once was described as “die Grösse eines Menschenkopfes” (translated as “the size of a human head”) (Broch 1912b) (Fig. 4 A). There is no central trunk or evidence of main branches and there is no consistent arrangement of branching. In Sars’ original description, he made it clear (“D'ailleurs il n'y a aucune différence entre les tiges et les branches: elles ont la même apparence, la même forme, la même grosseur“) that there is no difference between stems or branches: they have the same appearance, same form and same size. Many of the fragments are small pieces of narrow branches which are often twisted and tangled so it is impossible to reconstruct the colony into the original shape. There are also multiple anastomoses and bifurcations throughout the colony fragments (Fig. 4 B). Examples of membranous portions of the colony are evident including the holdfast which is encrusting a piece of coral rubble. Several branches emanate from the membranous parts of the colony. Most branches are of a relatively uniform diameter (approximately 2.2–3.4 mm), although there are some outside this range (1.3–4.2 mm), and they are basically circular in cross-section, although calyces and bifurcation points tend to cause some distortion. Calyces occur with no apparent order along and all around the branches throughout the colony. The greatest distance between calyces is approximately 12 mm although they are more commonly closer together. Tight bunches of calyces occur on the branch tips where there is very little or no space between them (Fig. 5 A). Isolated calyces are also evident on the membranous parts of the colony. The colony is in good condition, albeit in many fragments, with many polyps still attached and, in general, the cortex is complete. Colour: In the original description no mention was made regarding the live colour, although Sars did comment that the medulla is a darker colour than the cortex. The holotype is now light brown to cream in alcohol. Other specimens recently collected are creamy pink (Fig. 13 B, C). Polyps and calyces: Calyces are tall, flat-topped, robust cylinders which protrude basically at right angles from the branches (Fig. 5 B). They are usually between 2.2–3.2 mm high although there are some larger ones up to 4.5 mm. Polyps may extend 1.4–2.6 mm above the lip of the calyx and are approximately 2–3mm wide. Calyces and polyps are usually taller than they are wide. Sars considered the relatively large size of the calyces and polyp as a distinguishing factor, mentioning that the height of the “cellules polypifères” is generally twice the diameter of the branches. The calyces do not have obvious longitudinal ridges although there can be slight bulges where the base of the tentacles meet the calyx lip. Most of the polyps are partly retracted such that the base of the polyp head rests on the lip of the calyx and the polyp neck is not visible (Fig. 5 B) but there are some examples where polyps are fully retracted into their calyx (Fig. 5 Aa) despite Sars stating that he did not observe any in this state. Occasionally fully exsert polyps occur, with the polyp neck visible—a polyp and calyx combined then being up to 6.5 mm high. All polyp heads are well protected by crowded sclerites arranged as points and an indistinct collaret, and the visible polyp necks are also covered in sclerites. The tentacles fold into the polyp mouth so the polyp heads are rounded mounds with eight distinct furrows (Fig. 5 B). There are approximately 12 pinnules along each side of the tentacles with a fan of pinnules around the tip. Medulla and Cortex: The central medulla is made up of tightly packed, longitudinally and obliquely placed sclerites, surrounded by a thin cortex which is separated from the medulla by a ring of longitudinal boundary canals (Fig. 5 C). The canals run parallel and close together throughout the colony and remain identifiable as individual canals. They do not extensively anastomose or form a boundary space as such but do provide a clear separation of the medulla from the cortex. In the thickest branches, presumably older and from closer to the base of the colony, there may be some patches where the density of medulla sclerites lessens. These patches appear as indistinct canals in the central medulla (Fig. 5 D) and are easily deformed or obscured by sclerites during the making of a crosssection. In thinner branches, presumably younger and farther from the base of the colony, the ill-defined canals in the centre of the medulla are only occasionally visible in cross-section. For polyps along the branches, body cavities truncate abruptly forming a flat base where they abut the medulla, while polyps which are clumped at the branch tips have a body cavity which extends somewhat deeper within the branch, eventually finishing at the start of the medulla proper. Sclerites: Polyps, calyces and cortex are all covered in crowded sclerites. On the polyp head transversely arranged sclerites form an indistinct collaret approximately 8 sclerites deep, while above they are arranged en chevron grading to longitudinal in the points (Fig. 5 B). These sclerites are mostly straight or slightly curved sticks and spindles with simple tubercles (Fig. 6). Sizes can range from 0.4–1.3 mm but most are between 0.45–0.85 mm. Some sclerites have the distal tip with mildly more developed tubercles or spines (Fig. 6 a). Very occasionally, sclerites can have complex warts. Below the collaret, similar sclerites are arranged obliquely on the polyp neck, sparser than on the polyp head, presumably to allow the polyp to invaginate at the neck area. Along the aboral side of the tentacle, sclerites are arranged longitudinally (Fig. 7 A) and are all mostly similar to the sclerites from the points although shorter. They are straight or slightly curved tuberculate sticks and spindles with complex warts occurring occasionally and processes slightly more developed on one end (Fig. 7 B). Sclerites grade in size from longest (0.5 mm) at the proximal end of the tentacle to shortest (0.25 mm) at the distal end. Long, thin, spatulate clubs extend longitudinally most of the way down the pinnules (Fig. 8 A). These sclerites are crowded, with the spatulate tip toward the distal end of the pinnules, and are easily broken during dissection. The spatulate clubs have long, narrow handles and flattened, occasionally forked, tips and are usually straight but can be curved or with bent tips (Fig. 8 Ba). There are also short rods with sparse tubercles, narrow sticks and spindles without a flattened tip and very small spindles in the pinnules (Fig. 8 Bb). The size of the spatulate clubs ranges from 0.34–0.5 mm while the smaller rods and spindles are approximately 0.08–0.21 mm long. Small rods (0.08–0.24 mm long) with cone-like prominences and sparse warts occur in the pharynx (Fig. 9 A). These sclerites are arranged in ill-defined lines in the pharynx corresponding to the mesenterial insertions and are not crowded (Fig. 9 B). The sclerites of the calyx are arranged in a dense layer, longitudinally to obliquely in the wall. They are short, straight or slightly curved sticks and spindles mostly with simple tubercles (Fig. 10). Occasionally more complex warts occur and some sclerites have a clavate tip with slightly flared or foliose spines (Fig. 10 a) but they do not form true thorn clubs. The sclerites have a small size range, only varying from approximately 0.23–0.45 mm long. The sclerites from the cortex are similar to those in the calyces—small, straight, tuberculate sticks and spindles of a fairly uniform shape and size (Fig. 11). Most of the sclerites are between 0.16 and 0.38 mm in length but slightly longer sclerites also occur. Occasionally, sclerites with more complex warts occur but more commonly the tubercles are simple and relatively sparse. Some sclerites can have one marginally more complex tip making them slightly clavate (Fig. 11 a). The medulla is composed of tightly packed sclerites, mainly sticks and spindles with simple to complex tubercles (Fig. 12). There are examples of fusion, branching and forking among the sclerites resulting in quite complex forms. The length of the sclerites can vary considerably (0.2–0.9 mm) and the longest are probably underrepresented in the figure as it is difficult to sample them without breakage. All sclerites are transparent and colourless under transmitted light. Variability: Variability of sclerite development within this species appears to be quite substantial. The holotype is from the northern tip of Norway, at the extreme northern point of the distribution of the specimens examined, and it is a specimen with a very consistent form of sclerites (sticks and spindles with simple tubercles) from the aboral side of the tentacles, points, collaret, calyx and the cortex (unfortunately no specimens which are geographically close to the holotype were available). Other specimens have considerable variation in the complexity and shape of the sclerites. One specimen, NTNU-VM 67149, from Trondheimsfjord, Norway, has sclerites from the calyx which are more often club-shaped with very complex warts and spines in addition to the sticks and spindles with simple tubercles like those in the holotype (Fig. 13 A). Such complex sclerites in the calyx are common in other specimens investigated, particularly in specimens from the Trondheimsfjord, yet the colony, polyp form and the other sclerites are similar to those in the holotype. Photographs of two specimens from Trondheimsfjord taken soon after collection (NTNU-VM 67149 and NTNU-VM 67148) demonstrate the live colour to be creamy pink (Fig. 13 B, C). In addition, there are many specimens with more complex and larger sclerites from the tentacles, points and surface than those observed in the holotype. In particular, despite much similarity with the holotype in other areas, the sclerites from the tentacles of ZMUC-ANT-000470 and NTNU-VM 40338 have more developed processes on the distal tips (Fig. 14 A, B). At this stage, it is assumed they are more complex versions of those in the tentacle rachis of the holotype, although further collections may allow a definitive delimitation within these degrees of complexity. Similarly, the colony surface of sample NTNU-VM 63139, along with small sticks and spindles like those of the holotype, has numerous short, straight, club-shaped forms with smooth areas as well as more developed spines and warts (Fig. 15). These surface sclerites were recorded in lesser amounts in other specimens as well, but not the holotype. Distribution: Confirmed records are from the north eastern Atlantic Ocean in deep coastal waters and fjords of Norway and Iceland; north western Atlantic Ocean, in deep waters off the coast of Canada and USA; the Gulf of Biscay, off the west coast of France; and the south western Atlantic Ocean off the coast of southern Brazil. Depth: Confirmed specimens 100–960 metres; most commonly between 100–500 metres. Remarks: There has been much confusion over many years between A. grandiflora and material that has herein been assigned to the new genus Lateothela. In every collection examined which contained specimens of A. grandiflora , specimens of Lateothela n. gen. were also found, almost always erroneously determined as A. grandiflora. In Broch’s (1912b) extensive re-description of A. grandiflora it now seems clear that he included more than one specimen in his description, and at least one of these was likely to have been a specimen of Lateothela grandiflora n. comb. The figure of the small, warty rodlets from the calyces and cortex (Broch 1912b Fig. 2a, b), which are common in L. grandiflora n. comb. but do not occur in any significant number in A. grandiflora, perpetuated the confusion between the two genera. One of the chief morphological differences between these two species is the preponderance of these rodlets in the calyces and cortex of L. grandiflora n. comb. (mixed with tuberculate sticks and spindles) compared with their rarity in A. grandiflora. Other differences between the two species are colony form and differences in the pinnule and tentacle sclerites. Much of the subsequent literature perpetuated Broch’s (1912b) incorrect description, thus some later determinations and descriptions of specimens are clearly incorrect or cannot be confirmed (Verrill 1922; Stiasny 1937; Verseveldt 1940; Madsen 1944) and many specimens remain incorrectly identified. For example, Verrill (1922) when describing A. grandiflora stated the figures are “from the type described in 1869”, but Plate VI Fig. 1 in particular, and his description of the appearance of the calyces, appears to depict L. grandiflora n. comb. with the small warty rodlets in the calyx and surface. However, the colony depicted in Verrill’s Text Figure 2 is more like the holotype of A. grandiflora and not of a colony of L. grandiflora n. comb. There is no way to confirm exactly which specimen (or specimens?) Verrill figured in this paper, however it is possible it may not have been the holotype of A. grandiflora, or perhaps he used more than one specimen to assemble the description. Additionally, this current research has confirmed that of the specimens listed as A. grandiflora in Madsen (1944) three are valid, but one specimen (‘Thor’ Stat 168) is an example of L. grandiflora n. comb. —another instance of the confusion of the two species. The variation observed amongst specimens of A. grandiflora shows the holotype to be a specimen with minimal complexity in the warts and tubercles of the sclerites and in the shape of the sclerites themselves. Nevertheless, the tangled colony form, long thin spatulate clubs in the pinnules and generally simple tuberculate sticks and spindles with a tendency to be clavate seem to be consistent across the specimens examined. At this stage there are not enough consistent differences to reliably delimit other species within the sample set, however, considering the large geographic range which is currently recorded for this species it would not be surprising if future studies can confidently define other Anthothela species within this group. A. grandiflora as detailed here appears to be reasonably wide-spread in the deep waters of the Atlantic Ocean. Anthothela tropicalis and Anthothela quattriniae n. sp. also occur in the Atlantic, although A. quattriniae n. sp. is currently only recorded from the Gulf of Mexico. Both of these species have large thorn clubs, which are thorny in A. tropicalis (Fig. 38) and bulbous in A. quattriniae n. sp. (Fig. 63), and both have colonies with very prickly surfaces with the thorn clubs p : Published as part of Moore, Kirrily M., Alderslade, Philip & Miller, Karen J., 2017, A taxonomic revision of Anthothela (Octocorallia: Scleraxonia: Anthothelidae) and related genera, with the addition of new taxa, using morphological and molecular data, pp. 1-212 in Zootaxa 4304 (1) on pages 20-34, DOI: 10.11646/zootaxa.4304.1.1, http://zenodo.org/record/842289 : {"references": ["Sars, M. (1856) Nouveau polypes. In: Sars, M., Koren, J. & Danielssen, D. C. (Eds.), Fauna littoralis Norvegiae. Beyer, 1846 - 1877, Bergen, pp. 63 - 79.", "Verrill, A. E. 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