Ophioplinthus undetermined
Ophioplinthus sp. juvenile Fig. 3F–H Material examined . MD 50 DC34, MNHN IE.2009.1619 (1). Remarks . The 4 mm dd specimen is a juvenile which makes identification problematic. It has the classic Ophioplinthus characters of reduced DAPs (Fig. 3G), fragmented oral shield and small inconspicuous tube...
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ftzenodo:oai:zenodo.org:6411796 2024-09-15T18:37:17+00:00 Ophioplinthus undetermined O'Hara, Timothy D. Thuy, Ben 2022-03-31 https://doi.org/10.5281/zenodo.6411796 http://treatment.plazi.org/id/C72D87A15357FF9AFEA38349FC4BFF7B 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/C72D87A15357FF9AFEA38349FC4BFF7B https://doi.org/10.5281/zenodo.6404680 http://zoobank.org/C015F8CB-799B-4A92-90AE-02B4C576089E https://zenodo.org/communities/biosyslit https://doi.org/10.5281/zenodo.6411795 https://doi.org/10.5281/zenodo.6411796 oai:zenodo.org:6411796 http://treatment.plazi.org/id/C72D87A15357FF9AFEA38349FC4BFF7B 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), 10, (2022-03-31) Biodiversity Taxonomy Animalia Echinodermata Ophiuroidea Ophiurida Ophiopyrgidae Ophioplinthus Ophioplinthus undetermined info:eu-repo/semantics/other 2022 ftzenodo https://doi.org/10.5281/zenodo.641179610.11646/zootaxa.5124.1.110.5281/zenodo.640468010.5281/zenodo.6411795 2024-07-26T20:11:21Z Ophioplinthus sp. juvenile Fig. 3F–H Material examined . MD 50 DC34, MNHN IE.2009.1619 (1). Remarks . The 4 mm dd specimen is a juvenile which makes identification problematic. It has the classic Ophioplinthus characters of reduced DAPs (Fig. 3G), fragmented oral shield and small inconspicuous tube feet (Fig. 3H). It has the second oral tentacle pore well outside of the jaw slit, two spiniform tentacle scales on the first arm segment and one on the next two, thereafter none (Fig. 3H). The tentacle pores become progressively inconspicuous down the arm. The dorsal disc is dominated by the six primary plates, two interradial scales and some small intercalary scales. There are small DAPs on the first two segments free of the disc. The surface of the LAPs appears to be beaded. There is one, rarely two, short arm spines. DNA barcode evidence indicates that there are numerous cryptic species of Ophioplinthus in the Southern Ocean (O’Hara et al. 2013). The problem of identification is compounded by the presence of either a hydroid ( Hydractinia ) or sponge ( Iophon ) that grows (parasitically?) on some lineages, altering the growth of the external plates. Published as part of O'Hara, Timothy D. & Thuy, Ben, 2022, 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) on page 10, DOI:10.11646/zootaxa.5124.1.1, http://zenodo.org/record/6404674 Other/Unknown Material Southern Ocean Zenodo |
institution |
Open Polar |
collection |
Zenodo |
op_collection_id |
ftzenodo |
language |
unknown |
topic |
Biodiversity Taxonomy Animalia Echinodermata Ophiuroidea Ophiurida Ophiopyrgidae Ophioplinthus Ophioplinthus undetermined |
spellingShingle |
Biodiversity Taxonomy Animalia Echinodermata Ophiuroidea Ophiurida Ophiopyrgidae Ophioplinthus Ophioplinthus undetermined O'Hara, Timothy D. Thuy, Ben Ophioplinthus undetermined |
topic_facet |
Biodiversity Taxonomy Animalia Echinodermata Ophiuroidea Ophiurida Ophiopyrgidae Ophioplinthus Ophioplinthus undetermined |
description |
Ophioplinthus sp. juvenile Fig. 3F–H Material examined . MD 50 DC34, MNHN IE.2009.1619 (1). Remarks . The 4 mm dd specimen is a juvenile which makes identification problematic. It has the classic Ophioplinthus characters of reduced DAPs (Fig. 3G), fragmented oral shield and small inconspicuous tube feet (Fig. 3H). It has the second oral tentacle pore well outside of the jaw slit, two spiniform tentacle scales on the first arm segment and one on the next two, thereafter none (Fig. 3H). The tentacle pores become progressively inconspicuous down the arm. The dorsal disc is dominated by the six primary plates, two interradial scales and some small intercalary scales. There are small DAPs on the first two segments free of the disc. The surface of the LAPs appears to be beaded. There is one, rarely two, short arm spines. DNA barcode evidence indicates that there are numerous cryptic species of Ophioplinthus in the Southern Ocean (O’Hara et al. 2013). The problem of identification is compounded by the presence of either a hydroid ( Hydractinia ) or sponge ( Iophon ) that grows (parasitically?) on some lineages, altering the growth of the external plates. Published as part of O'Hara, Timothy D. & Thuy, Ben, 2022, 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) on page 10, DOI:10.11646/zootaxa.5124.1.1, http://zenodo.org/record/6404674 |
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 |
Ophioplinthus undetermined |
title_short |
Ophioplinthus undetermined |
title_full |
Ophioplinthus undetermined |
title_fullStr |
Ophioplinthus undetermined |
title_full_unstemmed |
Ophioplinthus undetermined |
title_sort |
ophioplinthus undetermined |
publisher |
Zenodo |
publishDate |
2022 |
url |
https://doi.org/10.5281/zenodo.6411796 http://treatment.plazi.org/id/C72D87A15357FF9AFEA38349FC4BFF7B |
genre |
Southern Ocean |
genre_facet |
Southern Ocean |
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), 10, (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/C72D87A15357FF9AFEA38349FC4BFF7B https://doi.org/10.5281/zenodo.6404680 http://zoobank.org/C015F8CB-799B-4A92-90AE-02B4C576089E https://zenodo.org/communities/biosyslit https://doi.org/10.5281/zenodo.6411795 https://doi.org/10.5281/zenodo.6411796 oai:zenodo.org:6411796 http://treatment.plazi.org/id/C72D87A15357FF9AFEA38349FC4BFF7B |
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.641179610.11646/zootaxa.5124.1.110.5281/zenodo.640468010.5281/zenodo.6411795 |
_version_ |
1810481642998857728 |