Ophiomyces undetermined
Ophiomyces sp. juvenile Fig. 4E Material examined . MD 50 DC91, MNHN IE.2009.1577 (25). MD 50 DC137, MNHN IE.2009.1578 (1). Comparative Material . Ophiomyces grandis Lyman, 1879: BSS/638 DP, Eastern Bass Strait, slope, 102 km SE of Cape Conran, Victoria, 38° 29.5´S, 149° 32.4´E, 1630 m, 16/11/1981,...
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ftzenodo:oai:zenodo.org:6411772 2024-09-15T18:24:21+00:00 Ophiomyces undetermined O'Hara, Timothy D. Thuy, Ben 2022-03-31 https://doi.org/10.5281/zenodo.6411772 http://treatment.plazi.org/id/C72D87A15353FF9FFEA3834CFB46FD63 unknown Zenodo https://doi.org/10.11646/zootaxa.5124.1.1 http://zenodo.org/record/6404674 http://publication.plazi.org/id/3B14FFD9535EFF90FE348503FFA8FFAE https://sibils.text-analytics.ch/search/collections/plazi/C72D87A15353FF9FFEA3834CFB46FD63 https://doi.org/10.5281/zenodo.6404684 http://zoobank.org/C015F8CB-799B-4A92-90AE-02B4C576089E https://zenodo.org/communities/biosyslit https://doi.org/10.5281/zenodo.6411771 https://doi.org/10.5281/zenodo.6411772 oai:zenodo.org:6411772 http://treatment.plazi.org/id/C72D87A15353FF9FFEA3834CFB46FD63 info:eu-repo/semantics/openAccess Creative Commons Zero v1.0 Universal https://creativecommons.org/publicdomain/zero/1.0/legalcode Biogeography and taxonomy of Ophiuroidea (Echinodermata) from the Îles Saint- Paul and Amsterdam in the southern Indian Ocean, pp. 1-49 in Zootaxa, 5124(1), 14-16, (2022-03-31) Biodiversity Taxonomy Animalia Echinodermata Ophiuroidea Ophioscolecida Ophiohelidae Ophiomyces Ophiomyces undetermined info:eu-repo/semantics/other 2022 ftzenodo https://doi.org/10.5281/zenodo.641177210.11646/zootaxa.5124.1.110.5281/zenodo.640468410.5281/zenodo.6411771 2024-07-26T09:58:15Z Ophiomyces sp. juvenile Fig. 4E Material examined . MD 50 DC91, MNHN IE.2009.1577 (25). MD 50 DC137, MNHN IE.2009.1578 (1). Comparative Material . Ophiomyces grandis Lyman, 1879: BSS/638 DP, Eastern Bass Strait, slope, 102 km SE of Cape Conran, Victoria, 38° 29.5´S, 149° 32.4´E, 1630 m, 16/11/1981, MV F52776 (1). IN2018_ V06 / 007, Deep west of Pedra, 44° 20.844´S, 146° 56.82´E to 44° 22.596´S, 146° 56.76´E, 1745 m, 24/11/2018, MV F272372 (5). IN2018_ V06 / 074, East Maatsuyker flat, 44° 12.858´S, 146° 16.02´E to 44° 13.02´S, 146° 15.48´E, 1501 m, 3/12/2018, MV F271968 (7). Remarks . The MD50 material is small with the largest specimen only 4 mm dd (Fig. 4E). All are badly damaged. The species of Ophiomyces are often distinguished by the number and position of tentacle scales and oral papillae (Litvinova 2001; O’Hara 1990; Paterson 1985), which however, can be variable depending on the age and condition of the specimens. The MD 50 specimens have only the distal oral papillae widened at the tip into the classic “hockey stick” shape, which is characteristic of O. grandis Lyman, 1879. However, the configuration of tentacle scales (one to two on the VAP and two on the LAP of basal segments reducing to one large LAP scale by the eighth segment) and the radial row of sparse disc spines, is characteristic of the Indo-Pacific species O. delata Koehler, 1904. The type locality of Ophiomyces grandis Lyman, 1879 is off Tristan da Cunha at 1828 m. The other records from the southern hemisphere (see material examined) are from depths of 1000–1840 m. North Atlantic records on the other hand are much shallower (124–802 m, e.g., Ordines et al. 2019) and may represent a distinct species. Two of the other genera in the Ophiohelidae, Ophiotholia and Ophiohelus , have diagnostic umbrella-shaped spines on the arms. The only other recorded genus in the family is Ophiothauma H.L. Clark, 1938, known from only one specimen of O. heptactis H.L. Clark, 1938 from off Port Essington, Coburg Peninsula, Northern Australia. Re-examination of ... Other/Unknown Material North Atlantic Zenodo |
institution |
Open Polar |
collection |
Zenodo |
op_collection_id |
ftzenodo |
language |
unknown |
topic |
Biodiversity Taxonomy Animalia Echinodermata Ophiuroidea Ophioscolecida Ophiohelidae Ophiomyces Ophiomyces undetermined |
spellingShingle |
Biodiversity Taxonomy Animalia Echinodermata Ophiuroidea Ophioscolecida Ophiohelidae Ophiomyces Ophiomyces undetermined O'Hara, Timothy D. Thuy, Ben Ophiomyces undetermined |
topic_facet |
Biodiversity Taxonomy Animalia Echinodermata Ophiuroidea Ophioscolecida Ophiohelidae Ophiomyces Ophiomyces undetermined |
description |
Ophiomyces sp. juvenile Fig. 4E Material examined . MD 50 DC91, MNHN IE.2009.1577 (25). MD 50 DC137, MNHN IE.2009.1578 (1). Comparative Material . Ophiomyces grandis Lyman, 1879: BSS/638 DP, Eastern Bass Strait, slope, 102 km SE of Cape Conran, Victoria, 38° 29.5´S, 149° 32.4´E, 1630 m, 16/11/1981, MV F52776 (1). IN2018_ V06 / 007, Deep west of Pedra, 44° 20.844´S, 146° 56.82´E to 44° 22.596´S, 146° 56.76´E, 1745 m, 24/11/2018, MV F272372 (5). IN2018_ V06 / 074, East Maatsuyker flat, 44° 12.858´S, 146° 16.02´E to 44° 13.02´S, 146° 15.48´E, 1501 m, 3/12/2018, MV F271968 (7). Remarks . The MD50 material is small with the largest specimen only 4 mm dd (Fig. 4E). All are badly damaged. The species of Ophiomyces are often distinguished by the number and position of tentacle scales and oral papillae (Litvinova 2001; O’Hara 1990; Paterson 1985), which however, can be variable depending on the age and condition of the specimens. The MD 50 specimens have only the distal oral papillae widened at the tip into the classic “hockey stick” shape, which is characteristic of O. grandis Lyman, 1879. However, the configuration of tentacle scales (one to two on the VAP and two on the LAP of basal segments reducing to one large LAP scale by the eighth segment) and the radial row of sparse disc spines, is characteristic of the Indo-Pacific species O. delata Koehler, 1904. The type locality of Ophiomyces grandis Lyman, 1879 is off Tristan da Cunha at 1828 m. The other records from the southern hemisphere (see material examined) are from depths of 1000–1840 m. North Atlantic records on the other hand are much shallower (124–802 m, e.g., Ordines et al. 2019) and may represent a distinct species. Two of the other genera in the Ophiohelidae, Ophiotholia and Ophiohelus , have diagnostic umbrella-shaped spines on the arms. The only other recorded genus in the family is Ophiothauma H.L. Clark, 1938, known from only one specimen of O. heptactis H.L. Clark, 1938 from off Port Essington, Coburg Peninsula, Northern Australia. Re-examination of ... |
format |
Other/Unknown Material |
author |
O'Hara, Timothy D. Thuy, Ben |
author_facet |
O'Hara, Timothy D. Thuy, Ben |
author_sort |
O'Hara, Timothy D. |
title |
Ophiomyces undetermined |
title_short |
Ophiomyces undetermined |
title_full |
Ophiomyces undetermined |
title_fullStr |
Ophiomyces undetermined |
title_full_unstemmed |
Ophiomyces undetermined |
title_sort |
ophiomyces undetermined |
publisher |
Zenodo |
publishDate |
2022 |
url |
https://doi.org/10.5281/zenodo.6411772 http://treatment.plazi.org/id/C72D87A15353FF9FFEA3834CFB46FD63 |
genre |
North Atlantic |
genre_facet |
North Atlantic |
op_source |
Biogeography and taxonomy of Ophiuroidea (Echinodermata) from the Îles Saint- Paul and Amsterdam in the southern Indian Ocean, pp. 1-49 in Zootaxa, 5124(1), 14-16, (2022-03-31) |
op_relation |
https://doi.org/10.11646/zootaxa.5124.1.1 http://zenodo.org/record/6404674 http://publication.plazi.org/id/3B14FFD9535EFF90FE348503FFA8FFAE https://sibils.text-analytics.ch/search/collections/plazi/C72D87A15353FF9FFEA3834CFB46FD63 https://doi.org/10.5281/zenodo.6404684 http://zoobank.org/C015F8CB-799B-4A92-90AE-02B4C576089E https://zenodo.org/communities/biosyslit https://doi.org/10.5281/zenodo.6411771 https://doi.org/10.5281/zenodo.6411772 oai:zenodo.org:6411772 http://treatment.plazi.org/id/C72D87A15353FF9FFEA3834CFB46FD63 |
op_rights |
info:eu-repo/semantics/openAccess Creative Commons Zero v1.0 Universal https://creativecommons.org/publicdomain/zero/1.0/legalcode |
op_doi |
https://doi.org/10.5281/zenodo.641177210.11646/zootaxa.5124.1.110.5281/zenodo.640468410.5281/zenodo.6411771 |
_version_ |
1810464683585437696 |