Phelliactis robusta Carlgren 1928
Phelliactis robusta Carlgren, 1928 (Fig. 2C, 6D, Table 5) Phelliactis robusta Carlgren 1928; 1942; Riemann-Zürneck 1973; Doumenc, 1975; Fautin et al . 2005. Material examined. MNRJ 9093 (one specimen), South Atlantic Ocean, Potiguar Basin, Rio Grande do Norte, Brazil, station MT 82-2 (04° 33.1742’S,...
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2020
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Online Access: | https://dx.doi.org/10.5281/zenodo.3803403 https://zenodo.org/record/3803403 |
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ftdatacite:10.5281/zenodo.3803403 |
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record_format |
openpolar |
institution |
Open Polar |
collection |
DataCite Metadata Store (German National Library of Science and Technology) |
op_collection_id |
ftdatacite |
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unknown |
topic |
Biodiversity Taxonomy Animalia Cnidaria Anthozoa Actiniaria Hormathiidae Phelliactis Phelliactis robusta |
spellingShingle |
Biodiversity Taxonomy Animalia Cnidaria Anthozoa Actiniaria Hormathiidae Phelliactis Phelliactis robusta De Melo, Yago A. Targino, Alessandra K. G. Gomes, Paula B. Phelliactis robusta Carlgren 1928 |
topic_facet |
Biodiversity Taxonomy Animalia Cnidaria Anthozoa Actiniaria Hormathiidae Phelliactis Phelliactis robusta |
description |
Phelliactis robusta Carlgren, 1928 (Fig. 2C, 6D, Table 5) Phelliactis robusta Carlgren 1928; 1942; Riemann-Zürneck 1973; Doumenc, 1975; Fautin et al . 2005. Material examined. MNRJ 9093 (one specimen), South Atlantic Ocean, Potiguar Basin, Rio Grande do Norte, Brazil, station MT 82-2 (04° 33.1742’S, 036° 15.0847’W), May 20, 2011, 2030–2074 m. MOUFPE-CNI 867 (one specimen), South Atlantic Ocean, Potiguar Basin, Rio Grande do Norte, Brazil, station MT 82-2 (04° 33.1742’S, 036° 15.0847’W), May 20, 2011, 2030–2074 m. LC 152 (three specimens), South Atlantic Ocean, Potiguar Basin, Rio Grande do Norte, Brazil, station MT 82-2 (04° 33.1742’S, 036° 15.0847’W), May 20, 2011, 2030–2074 m. Description. Large sea anemones, with specimens reaching 111.6 mm high and 33.7 to 59.4 mm wide. Pedal disc well developed, wrapping rocks or glass sponge threads (Fig. 6D). Column very thick, divided into scapus and scapulus. Scapus provided with very thick, polyhedric, sometimes flat tubercles, that form well-marked furrows where the thin cuticle can be seen. Scapulus strongly tuberculated, with tubercles irregularly arranged and decreasing in size towards the oral disc. No cinclides. Oral disc large, bilobed and asymmetrical. Tentacles large and threadlike, with mesogleal thickenings at the base, measuring approximately 11 mm in length. Tentacles nearly 130 in number, arranged in five marginal cycles. Two siphonoglyphs, each attached to a pair of directive mesenteries. Mesenteries hexamerously arranged in five cycles (6+6+12+24+48), more numerous at the base, where they are approximately 150 in number. First cycle perfect and sterile, other cycles imperfect. Gametogenic tissue from the second to fourth cycle of mesenteries. Marginal sphincter mesogleal, alveolar, positioned near the endodermal side. Retractor muscles weak and diffuse. Longitudinal musculature of tentacles ectodermal. Parietobasilar muscles poorly developed. Acontia present. Cnidom. Spirocysts, Basitrichs, Microbasic p -mastigophores (Table 5). Remarks. The specimens in this study were collected at depths greater than 2000 meters, which is consistent with the bathymetry known for the species, which may reach over 2400 m depth (Molodtsova et al . 2008). The largest individual was attached to a rock and a smaller one was attached to branches of a hexactinellid sponge (Fig. 6D). Several foraminifera species, as well as Diacria sp. shells and sponge spicules, were found inside the gastric cavity of these specimens. Riemann-Zürneck (1973) was the first author to present the cnidom of the column for the species, reporting the absence of microbasic p -mastigophores, often found in other Phelliactis species. We also did not find such cnidae in the column of our specimens and the description of our samples perfectly matches those of Riemann-Zürneck (1973) and Doumenc (1975) for specimens from the North Atlantic. Geographic distribution. Phelliactis robusta is in the Eastern North Atlantic Ocean from depths as great as 2100m (Van Praet et al . 1990). We register the species for the first time in the South Atlantic Ocean (Potiguar Basin, RN, Brazil). : Published as part of De Melo, Yago A., Targino, Alessandra K. G. & Gomes, Paula B., 2020, New records of family Hormathiidae (Cnidaria: Actiniaria) from Brazilian coast with description of Paraphelliactis labiata n. sp., pp. 557-574 in Zootaxa 4766 (4) on pages 567-568, DOI: 10.11646/zootaxa.4766.4.3, http://zenodo.org/record/3765725 : {"references": ["Carlgren, O. (1928) Actiniaria der Deutschen Tiefsee-Expedition. Wissenschaftliche Ergebnisse der Deutschen Tiefsee-Expedition auf dem Dampfer \" Valdivia \" 1898 - 1899, 22, 125 - 266. [reprint 1 - 144]", "Carlgren, O. (1942) Actiniaria II. Danish Ingolf - Expedition, 5 (12), 1 - 92", "Riemann-Zurneck, K. (1973) Actiniaria des Sudwestatlantik I. Hormathiidae. Helgolander wiss. Meeresunters, 25, 273 - 325. https: // doi. org / 10.1007 / BF 01611200", "Doumenc, D. (1975) Actinies bathyales et abyssales de l'ocean Atlantique nord. Familles des Hormathiidae (genres Paracalliactis et Phelliactis) et des Actinostolidae (genres Actinoscyphia et Sicyonis). Bulletin du Museum National d'Histoire Naturelle, Paris, 197, 157 - 204.", "Fautin, D. G., Daly, M. & Cappola, V. (2005) Sea anemones (Cnidaria: Actiniaria) of the Faroe Islands: a preliminary list and biogeographic context. BIOFAR Proceedings, 2005, 77 - 87.", "Molodtsova, T. N., Sanamyan, N. P. & Keller, N. B. (2008) Anthozoa from the northern Mid-Atlantic Ridge and Charlie-Gibbs fracture zone. Marine Biology Research, 4 (1 - 2), 112 - 130. https: // doi. org / 10.1080 / 17451000701821744", "Van Praet, M., Rice, A. L. & Thurston, M. H. (1990) Reproduction in two deep-sea anemones (Actiniaria); Phelliactis hertwigi and P. robusta. Progress in Oceanography, 24 (1 - 4), 207 - 222. https: // doi. org / 10.1016 / 0079 - 6611 (90) 90031 - V"]} |
format |
Text |
author |
De Melo, Yago A. Targino, Alessandra K. G. Gomes, Paula B. |
author_facet |
De Melo, Yago A. Targino, Alessandra K. G. Gomes, Paula B. |
author_sort |
De Melo, Yago A. |
title |
Phelliactis robusta Carlgren 1928 |
title_short |
Phelliactis robusta Carlgren 1928 |
title_full |
Phelliactis robusta Carlgren 1928 |
title_fullStr |
Phelliactis robusta Carlgren 1928 |
title_full_unstemmed |
Phelliactis robusta Carlgren 1928 |
title_sort |
phelliactis robusta carlgren 1928 |
publisher |
Zenodo |
publishDate |
2020 |
url |
https://dx.doi.org/10.5281/zenodo.3803403 https://zenodo.org/record/3803403 |
long_lat |
ENVELOPE(-58.406,-58.406,-62.073,-62.073) ENVELOPE(63.761,63.761,-67.513,-67.513) ENVELOPE(-97.500,-97.500,-71.833,-71.833) |
geographic |
Faroe Islands Mid-Atlantic Ridge Keller Daly Thurston |
geographic_facet |
Faroe Islands Mid-Atlantic Ridge Keller Daly Thurston |
genre |
Faroe Islands North Atlantic South Atlantic Ocean |
genre_facet |
Faroe Islands North Atlantic South Atlantic Ocean |
op_relation |
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op_rights |
Open Access info:eu-repo/semantics/openAccess |
op_doi |
https://doi.org/10.5281/zenodo.3803403 https://doi.org/10.11646/zootaxa.4766.4.3 https://doi.org/10.5281/zenodo.3765729 https://doi.org/10.5281/zenodo.3765737 https://doi.org/10.5281/zenodo.3803404 |
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ftdatacite:10.5281/zenodo.3803403 2023-05-15T16:11:08+02:00 Phelliactis robusta Carlgren 1928 De Melo, Yago A. Targino, Alessandra K. G. Gomes, Paula B. 2020 https://dx.doi.org/10.5281/zenodo.3803403 https://zenodo.org/record/3803403 unknown Zenodo http://zenodo.org/record/3765725 http://publication.plazi.org/id/CE4C6A392C4FF326D40CFFC22B2EFFAF http://zoobank.org/urn:lsid:zoobank.org:pub:2F7D5622-E80D-42A4-A10A-C328B70A6379 https://zenodo.org/communities/biosyslit https://dx.doi.org/10.11646/zootaxa.4766.4.3 http://zenodo.org/record/3765725 http://publication.plazi.org/id/CE4C6A392C4FF326D40CFFC22B2EFFAF https://dx.doi.org/10.5281/zenodo.3765729 https://dx.doi.org/10.5281/zenodo.3765737 http://zoobank.org/urn:lsid:zoobank.org:pub:2F7D5622-E80D-42A4-A10A-C328B70A6379 https://dx.doi.org/10.5281/zenodo.3803404 https://zenodo.org/communities/biosyslit Open Access info:eu-repo/semantics/openAccess Biodiversity Taxonomy Animalia Cnidaria Anthozoa Actiniaria Hormathiidae Phelliactis Phelliactis robusta Text Taxonomic treatment article-journal ScholarlyArticle 2020 ftdatacite https://doi.org/10.5281/zenodo.3803403 https://doi.org/10.11646/zootaxa.4766.4.3 https://doi.org/10.5281/zenodo.3765729 https://doi.org/10.5281/zenodo.3765737 https://doi.org/10.5281/zenodo.3803404 2021-11-05T12:55:41Z Phelliactis robusta Carlgren, 1928 (Fig. 2C, 6D, Table 5) Phelliactis robusta Carlgren 1928; 1942; Riemann-Zürneck 1973; Doumenc, 1975; Fautin et al . 2005. Material examined. MNRJ 9093 (one specimen), South Atlantic Ocean, Potiguar Basin, Rio Grande do Norte, Brazil, station MT 82-2 (04° 33.1742’S, 036° 15.0847’W), May 20, 2011, 2030–2074 m. MOUFPE-CNI 867 (one specimen), South Atlantic Ocean, Potiguar Basin, Rio Grande do Norte, Brazil, station MT 82-2 (04° 33.1742’S, 036° 15.0847’W), May 20, 2011, 2030–2074 m. LC 152 (three specimens), South Atlantic Ocean, Potiguar Basin, Rio Grande do Norte, Brazil, station MT 82-2 (04° 33.1742’S, 036° 15.0847’W), May 20, 2011, 2030–2074 m. Description. Large sea anemones, with specimens reaching 111.6 mm high and 33.7 to 59.4 mm wide. Pedal disc well developed, wrapping rocks or glass sponge threads (Fig. 6D). Column very thick, divided into scapus and scapulus. Scapus provided with very thick, polyhedric, sometimes flat tubercles, that form well-marked furrows where the thin cuticle can be seen. Scapulus strongly tuberculated, with tubercles irregularly arranged and decreasing in size towards the oral disc. No cinclides. Oral disc large, bilobed and asymmetrical. Tentacles large and threadlike, with mesogleal thickenings at the base, measuring approximately 11 mm in length. Tentacles nearly 130 in number, arranged in five marginal cycles. Two siphonoglyphs, each attached to a pair of directive mesenteries. Mesenteries hexamerously arranged in five cycles (6+6+12+24+48), more numerous at the base, where they are approximately 150 in number. First cycle perfect and sterile, other cycles imperfect. Gametogenic tissue from the second to fourth cycle of mesenteries. Marginal sphincter mesogleal, alveolar, positioned near the endodermal side. Retractor muscles weak and diffuse. Longitudinal musculature of tentacles ectodermal. Parietobasilar muscles poorly developed. Acontia present. Cnidom. Spirocysts, Basitrichs, Microbasic p -mastigophores (Table 5). Remarks. The specimens in this study were collected at depths greater than 2000 meters, which is consistent with the bathymetry known for the species, which may reach over 2400 m depth (Molodtsova et al . 2008). The largest individual was attached to a rock and a smaller one was attached to branches of a hexactinellid sponge (Fig. 6D). Several foraminifera species, as well as Diacria sp. shells and sponge spicules, were found inside the gastric cavity of these specimens. Riemann-Zürneck (1973) was the first author to present the cnidom of the column for the species, reporting the absence of microbasic p -mastigophores, often found in other Phelliactis species. We also did not find such cnidae in the column of our specimens and the description of our samples perfectly matches those of Riemann-Zürneck (1973) and Doumenc (1975) for specimens from the North Atlantic. Geographic distribution. Phelliactis robusta is in the Eastern North Atlantic Ocean from depths as great as 2100m (Van Praet et al . 1990). We register the species for the first time in the South Atlantic Ocean (Potiguar Basin, RN, Brazil). : Published as part of De Melo, Yago A., Targino, Alessandra K. G. & Gomes, Paula B., 2020, New records of family Hormathiidae (Cnidaria: Actiniaria) from Brazilian coast with description of Paraphelliactis labiata n. sp., pp. 557-574 in Zootaxa 4766 (4) on pages 567-568, DOI: 10.11646/zootaxa.4766.4.3, http://zenodo.org/record/3765725 : {"references": ["Carlgren, O. (1928) Actiniaria der Deutschen Tiefsee-Expedition. Wissenschaftliche Ergebnisse der Deutschen Tiefsee-Expedition auf dem Dampfer \" Valdivia \" 1898 - 1899, 22, 125 - 266. [reprint 1 - 144]", "Carlgren, O. (1942) Actiniaria II. Danish Ingolf - Expedition, 5 (12), 1 - 92", "Riemann-Zurneck, K. (1973) Actiniaria des Sudwestatlantik I. Hormathiidae. Helgolander wiss. Meeresunters, 25, 273 - 325. https: // doi. org / 10.1007 / BF 01611200", "Doumenc, D. (1975) Actinies bathyales et abyssales de l'ocean Atlantique nord. Familles des Hormathiidae (genres Paracalliactis et Phelliactis) et des Actinostolidae (genres Actinoscyphia et Sicyonis). Bulletin du Museum National d'Histoire Naturelle, Paris, 197, 157 - 204.", "Fautin, D. G., Daly, M. & Cappola, V. (2005) Sea anemones (Cnidaria: Actiniaria) of the Faroe Islands: a preliminary list and biogeographic context. BIOFAR Proceedings, 2005, 77 - 87.", "Molodtsova, T. N., Sanamyan, N. P. & Keller, N. B. (2008) Anthozoa from the northern Mid-Atlantic Ridge and Charlie-Gibbs fracture zone. Marine Biology Research, 4 (1 - 2), 112 - 130. https: // doi. org / 10.1080 / 17451000701821744", "Van Praet, M., Rice, A. L. & Thurston, M. H. (1990) Reproduction in two deep-sea anemones (Actiniaria); Phelliactis hertwigi and P. robusta. Progress in Oceanography, 24 (1 - 4), 207 - 222. https: // doi. org / 10.1016 / 0079 - 6611 (90) 90031 - V"]} Text Faroe Islands North Atlantic South Atlantic Ocean DataCite Metadata Store (German National Library of Science and Technology) Faroe Islands Mid-Atlantic Ridge Keller ENVELOPE(-58.406,-58.406,-62.073,-62.073) Daly ENVELOPE(63.761,63.761,-67.513,-67.513) Thurston ENVELOPE(-97.500,-97.500,-71.833,-71.833) |