Chaetocirratulus abyssalis Blake 2018, new species
Chaetocirratulus abyssalis new species Figure 30 Material Examined. Ross Sea, off Cape Adare, USNS Eltanin Cr. 27, Sta. 1869, 13 Jan 1967, 71.267°S, 171.667°E, trawl, 1565–1674 m, holotype (USNM 60691). Description. Holotype small, complete, 4 mm long and 0.3 mm wide for 17 setigerous segments. Ante...
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ftdatacite:10.5281/zenodo.3798594 2023-05-15T13:50:00+02:00 Chaetocirratulus abyssalis Blake 2018, new species Blake, James A. 2018 https://dx.doi.org/10.5281/zenodo.3798594 https://zenodo.org/record/3798594 unknown Zenodo http://zenodo.org/record/3771214 http://publication.plazi.org/id/FF9BB36EFFF5A24AFFA1FFBEFF85FFC4 http://zoobank.org/169CBE5C-3A6E-438B-8A81-0491CBFBAC85 https://zenodo.org/communities/biosyslit https://dx.doi.org/10.11646/zootaxa.4537.1.1 http://zenodo.org/record/3771214 http://publication.plazi.org/id/FF9BB36EFFF5A24AFFA1FFBEFF85FFC4 https://dx.doi.org/10.5281/zenodo.3771278 http://zoobank.org/169CBE5C-3A6E-438B-8A81-0491CBFBAC85 https://dx.doi.org/10.5281/zenodo.3798593 https://zenodo.org/communities/biosyslit Open Access info:eu-repo/semantics/openAccess Biodiversity Taxonomy Animalia Annelida Polychaeta Terebellida Cirratulidae Chaetocirratulus Chaetocirratulus abyssalis Taxonomic treatment article-journal Text ScholarlyArticle 2018 ftdatacite https://doi.org/10.5281/zenodo.3798594 https://doi.org/10.11646/zootaxa.4537.1.1 https://doi.org/10.5281/zenodo.3771278 https://doi.org/10.5281/zenodo.3798593 2022-02-08T13:42:09Z Chaetocirratulus abyssalis new species Figure 30 Material Examined. Ross Sea, off Cape Adare, USNS Eltanin Cr. 27, Sta. 1869, 13 Jan 1967, 71.267°S, 171.667°E, trawl, 1565–1674 m, holotype (USNM 60691). Description. Holotype small, complete, 4 mm long and 0.3 mm wide for 17 setigerous segments. Anterior end narrow, middle body segments inflated, tapering posteriorly to narrow pygidium (Fig. 30E). Oocytes present in posterior segments. Color in alcohol: light brown. Prostomium large, bluntly conical; eyespots lacking; nuchal organs not observed (Fig. 30A). Peristomium with two achaetous rings, incomplete dorsally; dorsal tentacles inserted in groove between peristomium and anterior edge of setiger 1 (Fig. 30A). A single pair of short branchiae lateral to dorsal tentacles on posterior margin of peristomium (Fig. 30A); segmental branchiae, scars, or stubs not observed. Parapodia reduced, lacking parapodial lobes. Setiger 1 with two setae in noto- and neuropodia: one a simple capillary, the other a narrow curved spine; heavy acicular spines (Fig. 30 B–C), numbering 3–4 per fascicle present from setiger 2, these sometimes accompanied by 1–2 narrow spines having a fimbriated edge (Fig. 30D), and a single long capillary seta. Pygidium a simple flattened lobe (Fig. 30E). Etymology . The epithet is from the Latin, abyss for deep sea. Remarks. Chaetocirratulus abyssalis n. sp. has acicular spines from setiger 1 in both noto- and neuropodia. In this respect the species approaches C. pinguis , but otherwise differs in body shape and by having up to four spines per neuropodium instead of 1–2. Distribution. Ross Sea, Antarctica, 1565–1674 m. : Published as part of Blake, James A., 2018, Bitentaculate Cirratulidae (Annelida, Polychaeta) collected chiefly during cruises of the R / V Anton Bruun, USNS Eltanin, USCG Glacier, R / V Hero, RVIB Nathaniel B. Palmer, and R / V Polarstern from the Southern Ocean, Antarctica, and off Western South America, pp. 1-130 in Zootaxa 4537 (1) on pages 60-62, DOI: 10.11646/zootaxa.4537.1.1, http://zenodo.org/record/3771214 Text Antarc* Antarctica Ross Sea Southern Ocean DataCite Metadata Store (German National Library of Science and Technology) Southern Ocean Ross Sea Seta ENVELOPE(9.895,9.895,63.645,63.645) Adare ENVELOPE(170.233,170.233,-71.283,-71.283) Noto ENVELOPE(-60.811,-60.811,-62.471,-62.471) Cape Adare ENVELOPE(175.000,175.000,-71.000,-71.000) |
institution |
Open Polar |
collection |
DataCite Metadata Store (German National Library of Science and Technology) |
op_collection_id |
ftdatacite |
language |
unknown |
topic |
Biodiversity Taxonomy Animalia Annelida Polychaeta Terebellida Cirratulidae Chaetocirratulus Chaetocirratulus abyssalis |
spellingShingle |
Biodiversity Taxonomy Animalia Annelida Polychaeta Terebellida Cirratulidae Chaetocirratulus Chaetocirratulus abyssalis Blake, James A. Chaetocirratulus abyssalis Blake 2018, new species |
topic_facet |
Biodiversity Taxonomy Animalia Annelida Polychaeta Terebellida Cirratulidae Chaetocirratulus Chaetocirratulus abyssalis |
description |
Chaetocirratulus abyssalis new species Figure 30 Material Examined. Ross Sea, off Cape Adare, USNS Eltanin Cr. 27, Sta. 1869, 13 Jan 1967, 71.267°S, 171.667°E, trawl, 1565–1674 m, holotype (USNM 60691). Description. Holotype small, complete, 4 mm long and 0.3 mm wide for 17 setigerous segments. Anterior end narrow, middle body segments inflated, tapering posteriorly to narrow pygidium (Fig. 30E). Oocytes present in posterior segments. Color in alcohol: light brown. Prostomium large, bluntly conical; eyespots lacking; nuchal organs not observed (Fig. 30A). Peristomium with two achaetous rings, incomplete dorsally; dorsal tentacles inserted in groove between peristomium and anterior edge of setiger 1 (Fig. 30A). A single pair of short branchiae lateral to dorsal tentacles on posterior margin of peristomium (Fig. 30A); segmental branchiae, scars, or stubs not observed. Parapodia reduced, lacking parapodial lobes. Setiger 1 with two setae in noto- and neuropodia: one a simple capillary, the other a narrow curved spine; heavy acicular spines (Fig. 30 B–C), numbering 3–4 per fascicle present from setiger 2, these sometimes accompanied by 1–2 narrow spines having a fimbriated edge (Fig. 30D), and a single long capillary seta. Pygidium a simple flattened lobe (Fig. 30E). Etymology . The epithet is from the Latin, abyss for deep sea. Remarks. Chaetocirratulus abyssalis n. sp. has acicular spines from setiger 1 in both noto- and neuropodia. In this respect the species approaches C. pinguis , but otherwise differs in body shape and by having up to four spines per neuropodium instead of 1–2. Distribution. Ross Sea, Antarctica, 1565–1674 m. : Published as part of Blake, James A., 2018, Bitentaculate Cirratulidae (Annelida, Polychaeta) collected chiefly during cruises of the R / V Anton Bruun, USNS Eltanin, USCG Glacier, R / V Hero, RVIB Nathaniel B. Palmer, and R / V Polarstern from the Southern Ocean, Antarctica, and off Western South America, pp. 1-130 in Zootaxa 4537 (1) on pages 60-62, DOI: 10.11646/zootaxa.4537.1.1, http://zenodo.org/record/3771214 |
format |
Text |
author |
Blake, James A. |
author_facet |
Blake, James A. |
author_sort |
Blake, James A. |
title |
Chaetocirratulus abyssalis Blake 2018, new species |
title_short |
Chaetocirratulus abyssalis Blake 2018, new species |
title_full |
Chaetocirratulus abyssalis Blake 2018, new species |
title_fullStr |
Chaetocirratulus abyssalis Blake 2018, new species |
title_full_unstemmed |
Chaetocirratulus abyssalis Blake 2018, new species |
title_sort |
chaetocirratulus abyssalis blake 2018, new species |
publisher |
Zenodo |
publishDate |
2018 |
url |
https://dx.doi.org/10.5281/zenodo.3798594 https://zenodo.org/record/3798594 |
long_lat |
ENVELOPE(9.895,9.895,63.645,63.645) ENVELOPE(170.233,170.233,-71.283,-71.283) ENVELOPE(-60.811,-60.811,-62.471,-62.471) ENVELOPE(175.000,175.000,-71.000,-71.000) |
geographic |
Southern Ocean Ross Sea Seta Adare Noto Cape Adare |
geographic_facet |
Southern Ocean Ross Sea Seta Adare Noto Cape Adare |
genre |
Antarc* Antarctica Ross Sea Southern Ocean |
genre_facet |
Antarc* Antarctica Ross Sea Southern Ocean |
op_relation |
http://zenodo.org/record/3771214 http://publication.plazi.org/id/FF9BB36EFFF5A24AFFA1FFBEFF85FFC4 http://zoobank.org/169CBE5C-3A6E-438B-8A81-0491CBFBAC85 https://zenodo.org/communities/biosyslit https://dx.doi.org/10.11646/zootaxa.4537.1.1 http://zenodo.org/record/3771214 http://publication.plazi.org/id/FF9BB36EFFF5A24AFFA1FFBEFF85FFC4 https://dx.doi.org/10.5281/zenodo.3771278 http://zoobank.org/169CBE5C-3A6E-438B-8A81-0491CBFBAC85 https://dx.doi.org/10.5281/zenodo.3798593 https://zenodo.org/communities/biosyslit |
op_rights |
Open Access info:eu-repo/semantics/openAccess |
op_doi |
https://doi.org/10.5281/zenodo.3798594 https://doi.org/10.11646/zootaxa.4537.1.1 https://doi.org/10.5281/zenodo.3771278 https://doi.org/10.5281/zenodo.3798593 |
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1766252723833929728 |