Meridionale tasmania Arango and Brenneis 2013
Meridionale tasmania (Arango and Brenneis, 2013) Pseudopallene tasmania Arango and Brenneis, 2013 Material examined. Holotype 1 female, TMAG J 4517; two female paratypes QM S 92216. Remarks. In the light of the unusual oviger claw illustrated by Arango & Brenneis (2013 fig 7 c, d) and the probab...
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Online Access: | https://dx.doi.org/10.5281/zenodo.6128047 https://zenodo.org/record/6128047 |
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Open Polar |
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DataCite Metadata Store (German National Library of Science and Technology) |
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topic |
Biodiversity Taxonomy Animalia Arthropoda Pycnogonida Pantopoda Callipallenidae Meridionale Meridionale tasmania |
spellingShingle |
Biodiversity Taxonomy Animalia Arthropoda Pycnogonida Pantopoda Callipallenidae Meridionale Meridionale tasmania Staples, David A. Meridionale tasmania Arango and Brenneis 2013 |
topic_facet |
Biodiversity Taxonomy Animalia Arthropoda Pycnogonida Pantopoda Callipallenidae Meridionale Meridionale tasmania |
description |
Meridionale tasmania (Arango and Brenneis, 2013) Pseudopallene tasmania Arango and Brenneis, 2013 Material examined. Holotype 1 female, TMAG J 4517; two female paratypes QM S 92216. Remarks. In the light of the unusual oviger claw illustrated by Arango & Brenneis (2013 fig 7 c, d) and the probability that the holotype had been based on an aberrant specimen, the type specimens are reexamined. The holotype is incomplete due to the dissected oviger not being lodged with the specimen and the claw on the remaining oviger is missing. The oviger claw in the paratypes is narrow and the distal margins are denticulate. In this regard the claw is consistent with its congeners. The inner margin of the terminal claw on the legs is almost straight and provides an additional (but not unique) diagnostic indicator of the species, only the very distal part is curved inwards; the outer surface is inflated and evenly curved throughout most of its length. The proboscis is not bullet-shaped as described. The proximal and distal parts are inflated and separated by slight constriction at about mid-length; the distal part is widest before tapering sharply to the mouth (Arango & Brenneis, 2013, fig 7 B). The abdomen is short, inflated and slightly inclined. It does not reach the end of the fourth lateral processes. Distribution . Southern Tasmania. Genus Cordylochele Sars, 1888 Cordylochele Sars, 1888. Pseudopallene Stock, 1953 b: 295 Diagnosis. Trunk smooth, linear, without spiniform projections, neck long, well defined. Lateral processes clearly longer than basal width, separated by less than their own diameter. Abdomen short, horizontal. Ocular tubercle, rounded, eyes well-developed. Proboscis horizontal, distally rounded, the area surrounding the mouth opening finely ciliated. Palps absent. Chelifores robust, chela palm globose, fingers very short, in line with the palm, the immoveable finger with lamelliform projection on the inner edge. Oviger spines on segments 7–10 compound, terminal claw well-developed, pointed with fine teeth on one margin. Legs elongated, without spiniform projections, terminal claw long, auxiliary claws absent. Cement glands and genital pores not recorded. Remarks. Two species are assigned to this genus; C. malleolata Sars, 1879; C. longicollis Sars, 1891 (non Hedgpeth 1948: 208). Sars (1891 a) designated Pallene malleolata as the type species of the genus Cordylochele to which he added C. brevicollis (Sars, 1891) and C . longicollis . Sars was convinced that C. malleolata , C. brevicollis and C . longicollis formed a natural group on account of their external habitus and certain anatomical characters. Sars described the area surrounding the mouth opening in C. malleolata and C. longicollis as finely ciliated and the proboscis structure of C. brevicollis as being precisely like those species. It was surprising therefore to discover that a dense tuft of setae seemingly emanates from the mouth opening of the specimen on loan from the Smithsonian Museum of Natural History (fig. 1). It is puzzling why Sars completely ignored palp buds in his diagnosis of Cordylochele particularly when he noted the presence of palp buds in C. brevicollis. Sars made a point of noting their absence in C. malleolata but made no mention of them in his description of C. longicollis . Stock (1953 b) formed a different view to Sars and synonymised Pseudopallene and Cordylochele based on his belief that the anatomical characters; namely the slender, body spination and differences in chela shape are not characters of generic significance. In support of his argument Stock cited the two forms of chelae in Pallenopsis (Wilson, 1881). However in a subsequent reversal of opinion he established the subgenera Pallenopsis and Bathypallenopsis to accommodate the two forms (Stock, 1974). Quite correctly these were later raised to full generic rank by Bamber (2007). In this analysis, reliance is placed on general habitus, chela shape and the absence of palp buds to distinguish Cordylochele from Pseudopallene . Pseudopallene malleolata and P. longicollis are reassigned to the resurrected genus Cordylochele . Pseudopallene brevicollis remains in the genus Pseudopallene primarily owing to the presence of a compact body and palp buds. Distribution. Northern latitudes, North Atlantic; Boreal-Arctic. : Published as part of Staples, David A., 2014, A revision of the callipallenid genus Pseudopallene Wilson, 1878 (Pycnogonida, Callipallenidae), pp. 339-359 in Zootaxa 3765 (4) on pages 353-354, DOI: 10.11646/zootaxa.3765.4.3, http://zenodo.org/record/225559 : {"references": ["Arango, C. P & Brenneis, G. (2013) New species of Australian Pseudopallene (Pynogonida: Callipallenidae) based on live colouration, morphology and DNA. Zootaxa, 3616 (5), 401 - 436. http: // dx. doi. org / 10.11646 / zootaxa. 3616.5.1", "Sars, G. O. (1888) Pantopoda borealia et arctica enumerate (Prodromus descriptionis). Archiv for Mathmatik og Naturvidenskak, Oslo, 12, 339 - 356.", "Stock, J. H. (1953 b) Biological Results of the Snellius Expedition. XVII. Contribution to the knowledge of the Pycnogonid Fauna of the East Indian Archipelago. Temminckia, 9, 276 - 313.", "Sars, G. O. (1879) Crustacea et Pycnogonida nova, etc. Archiv for Mathematik og Naturvidenskab, Kristiania, 4, 469 - 472.", "Sars, G. O. (1891) Pycnogonidea. The Norwegian North - Atlantic Expedition, 1876 - 1878, 6 (Zool. 20), 1 - 163.", "Hedgpeth, J. W. (1948) The Pycnogonida of the Western North Atlantic and the Caribbean. Proceedings of the United States National Museum, 97 (3216), 157 - 342. http: // dx. doi. org / 10.5479 / si. 00963801.97 - 3216.157", "Wilson, E. B. (1881) Report on the Pycnogonida. Reports on the Results of dredging, under the supervision of Alexander Agassiz, along the east coast of the United States, during the Summer of 1880, by the U. S. Coast Survey Steamer \" Blake \", COMMANDER J. R. Bartlett, U. S. N., commanding. Bulletin of the Museum of Comprehensive Zoology, Harvard, 8 (12), 239 - 256, 1 - V.", "Stock, J. H. (1974) Pycnogonida from the continental shelf, slope, and deep-sea of the tropical Atlantic and East Pacific. Biological Results of the University of Miami Deep-Sea Expeditions, 108. Bulletin of Marine Science, 24 (4), 957 - 1092.", "Bamber, R. N. (2007) A holistic re-interpretation of the phylogeny of the Pycnogonida Latreille, 1810 (Arthropoda). Zootaxa, 1668, 295 - 312."]} |
format |
Text |
author |
Staples, David A. |
author_facet |
Staples, David A. |
author_sort |
Staples, David A. |
title |
Meridionale tasmania Arango and Brenneis 2013 |
title_short |
Meridionale tasmania Arango and Brenneis 2013 |
title_full |
Meridionale tasmania Arango and Brenneis 2013 |
title_fullStr |
Meridionale tasmania Arango and Brenneis 2013 |
title_full_unstemmed |
Meridionale tasmania Arango and Brenneis 2013 |
title_sort |
meridionale tasmania arango and brenneis 2013 |
publisher |
Zenodo |
publishDate |
2014 |
url |
https://dx.doi.org/10.5281/zenodo.6128047 https://zenodo.org/record/6128047 |
geographic |
Arctic Indian Pacific |
geographic_facet |
Arctic Indian Pacific |
genre |
Arctic North Atlantic |
genre_facet |
Arctic North Atlantic |
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ftdatacite:10.5281/zenodo.6128047 2023-05-15T15:20:39+02:00 Meridionale tasmania Arango and Brenneis 2013 Staples, David A. 2014 https://dx.doi.org/10.5281/zenodo.6128047 https://zenodo.org/record/6128047 unknown Zenodo http://zenodo.org/record/225559 http://publication.plazi.org/id/5C0A2A75FFB9FD6DFFA295628E35B73E http://zoobank.org/81FEEBE5-46BE-4AFC-A731-7D01D298E87B https://zenodo.org/communities/biosyslit https://dx.doi.org/10.11646/zootaxa.3765.4.3 http://zenodo.org/record/225559 http://publication.plazi.org/id/5C0A2A75FFB9FD6DFFA295628E35B73E http://zoobank.org/81FEEBE5-46BE-4AFC-A731-7D01D298E87B https://dx.doi.org/10.5281/zenodo.6128046 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 Arthropoda Pycnogonida Pantopoda Callipallenidae Meridionale Meridionale tasmania article-journal ScholarlyArticle Taxonomic treatment Text 2014 ftdatacite https://doi.org/10.5281/zenodo.6128047 https://doi.org/10.11646/zootaxa.3765.4.3 https://doi.org/10.5281/zenodo.6128046 2022-04-01T10:55:07Z Meridionale tasmania (Arango and Brenneis, 2013) Pseudopallene tasmania Arango and Brenneis, 2013 Material examined. Holotype 1 female, TMAG J 4517; two female paratypes QM S 92216. Remarks. In the light of the unusual oviger claw illustrated by Arango & Brenneis (2013 fig 7 c, d) and the probability that the holotype had been based on an aberrant specimen, the type specimens are reexamined. The holotype is incomplete due to the dissected oviger not being lodged with the specimen and the claw on the remaining oviger is missing. The oviger claw in the paratypes is narrow and the distal margins are denticulate. In this regard the claw is consistent with its congeners. The inner margin of the terminal claw on the legs is almost straight and provides an additional (but not unique) diagnostic indicator of the species, only the very distal part is curved inwards; the outer surface is inflated and evenly curved throughout most of its length. The proboscis is not bullet-shaped as described. The proximal and distal parts are inflated and separated by slight constriction at about mid-length; the distal part is widest before tapering sharply to the mouth (Arango & Brenneis, 2013, fig 7 B). The abdomen is short, inflated and slightly inclined. It does not reach the end of the fourth lateral processes. Distribution . Southern Tasmania. Genus Cordylochele Sars, 1888 Cordylochele Sars, 1888. Pseudopallene Stock, 1953 b: 295 Diagnosis. Trunk smooth, linear, without spiniform projections, neck long, well defined. Lateral processes clearly longer than basal width, separated by less than their own diameter. Abdomen short, horizontal. Ocular tubercle, rounded, eyes well-developed. Proboscis horizontal, distally rounded, the area surrounding the mouth opening finely ciliated. Palps absent. Chelifores robust, chela palm globose, fingers very short, in line with the palm, the immoveable finger with lamelliform projection on the inner edge. Oviger spines on segments 7–10 compound, terminal claw well-developed, pointed with fine teeth on one margin. Legs elongated, without spiniform projections, terminal claw long, auxiliary claws absent. Cement glands and genital pores not recorded. Remarks. Two species are assigned to this genus; C. malleolata Sars, 1879; C. longicollis Sars, 1891 (non Hedgpeth 1948: 208). Sars (1891 a) designated Pallene malleolata as the type species of the genus Cordylochele to which he added C. brevicollis (Sars, 1891) and C . longicollis . Sars was convinced that C. malleolata , C. brevicollis and C . longicollis formed a natural group on account of their external habitus and certain anatomical characters. Sars described the area surrounding the mouth opening in C. malleolata and C. longicollis as finely ciliated and the proboscis structure of C. brevicollis as being precisely like those species. It was surprising therefore to discover that a dense tuft of setae seemingly emanates from the mouth opening of the specimen on loan from the Smithsonian Museum of Natural History (fig. 1). It is puzzling why Sars completely ignored palp buds in his diagnosis of Cordylochele particularly when he noted the presence of palp buds in C. brevicollis. Sars made a point of noting their absence in C. malleolata but made no mention of them in his description of C. longicollis . Stock (1953 b) formed a different view to Sars and synonymised Pseudopallene and Cordylochele based on his belief that the anatomical characters; namely the slender, body spination and differences in chela shape are not characters of generic significance. In support of his argument Stock cited the two forms of chelae in Pallenopsis (Wilson, 1881). However in a subsequent reversal of opinion he established the subgenera Pallenopsis and Bathypallenopsis to accommodate the two forms (Stock, 1974). Quite correctly these were later raised to full generic rank by Bamber (2007). In this analysis, reliance is placed on general habitus, chela shape and the absence of palp buds to distinguish Cordylochele from Pseudopallene . Pseudopallene malleolata and P. longicollis are reassigned to the resurrected genus Cordylochele . Pseudopallene brevicollis remains in the genus Pseudopallene primarily owing to the presence of a compact body and palp buds. Distribution. Northern latitudes, North Atlantic; Boreal-Arctic. : Published as part of Staples, David A., 2014, A revision of the callipallenid genus Pseudopallene Wilson, 1878 (Pycnogonida, Callipallenidae), pp. 339-359 in Zootaxa 3765 (4) on pages 353-354, DOI: 10.11646/zootaxa.3765.4.3, http://zenodo.org/record/225559 : {"references": ["Arango, C. P & Brenneis, G. (2013) New species of Australian Pseudopallene (Pynogonida: Callipallenidae) based on live colouration, morphology and DNA. Zootaxa, 3616 (5), 401 - 436. http: // dx. doi. org / 10.11646 / zootaxa. 3616.5.1", "Sars, G. O. (1888) Pantopoda borealia et arctica enumerate (Prodromus descriptionis). Archiv for Mathmatik og Naturvidenskak, Oslo, 12, 339 - 356.", "Stock, J. H. (1953 b) Biological Results of the Snellius Expedition. XVII. Contribution to the knowledge of the Pycnogonid Fauna of the East Indian Archipelago. Temminckia, 9, 276 - 313.", "Sars, G. O. (1879) Crustacea et Pycnogonida nova, etc. Archiv for Mathematik og Naturvidenskab, Kristiania, 4, 469 - 472.", "Sars, G. O. (1891) Pycnogonidea. The Norwegian North - Atlantic Expedition, 1876 - 1878, 6 (Zool. 20), 1 - 163.", "Hedgpeth, J. W. (1948) The Pycnogonida of the Western North Atlantic and the Caribbean. Proceedings of the United States National Museum, 97 (3216), 157 - 342. http: // dx. doi. org / 10.5479 / si. 00963801.97 - 3216.157", "Wilson, E. B. (1881) Report on the Pycnogonida. Reports on the Results of dredging, under the supervision of Alexander Agassiz, along the east coast of the United States, during the Summer of 1880, by the U. S. Coast Survey Steamer \" Blake \", COMMANDER J. R. Bartlett, U. S. N., commanding. Bulletin of the Museum of Comprehensive Zoology, Harvard, 8 (12), 239 - 256, 1 - V.", "Stock, J. H. (1974) Pycnogonida from the continental shelf, slope, and deep-sea of the tropical Atlantic and East Pacific. Biological Results of the University of Miami Deep-Sea Expeditions, 108. Bulletin of Marine Science, 24 (4), 957 - 1092.", "Bamber, R. N. (2007) A holistic re-interpretation of the phylogeny of the Pycnogonida Latreille, 1810 (Arthropoda). Zootaxa, 1668, 295 - 312."]} Text Arctic North Atlantic DataCite Metadata Store (German National Library of Science and Technology) Arctic Indian Pacific |