Eubonellia noratlanticum DattaGupta 1981
Eubonellia noratlanticum DattaGupta, 1981 (Fig. 2 A-D) MATERIAL EXAMINED. — Porcupine Abyssal Plain, BEN- GAL 2, Discovery 226, stn 13078#11, 48°53.19’N, 16°35.98’W, 4844 m, 12.III.1997, 2 ♀♀. DESCRIPTION Colour of proboscis and trunk of preserved specimens is light pink. Distal tip of proboscis of...
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ftzenodo:oai:zenodo.org:4893184 2023-06-06T11:57:30+02:00 Eubonellia noratlanticum DattaGupta 1981 Biseswar, Ramlall 2006-12-31 https://zenodo.org/record/4893184 https://doi.org/10.5281/zenodo.4893184 unknown info:eu-repo/semantics/altIdentifier/url/http://treatment.plazi.org/id/03F53669FFE3FFFBFF34B9242331C378 doi:10.5281/zenodo.4689879 http://publication.plazi.org/id/FFCC4E11FFE6FFFEFFBCB83C205BC137 doi:10.5281/zenodo.4689883 doi:10.5281/zenodo.4893183 https://zenodo.org/communities/biosyslit https://zenodo.org/record/4893184 https://doi.org/10.5281/zenodo.4893184 oai:zenodo.org:4893184 info:eu-repo/semantics/openAccess https://creativecommons.org/publicdomain/zero/1.0/legalcode Additions to the deep-sea echiuran (Echiura) fauna of the North-East Atlantic, pp. 853-864 in Zoosystema 28(4) 858 Biodiversity Taxonomy Animalia Echiura Polychaeta Echiuroidea Bonelliidae Eubonellia Eubonellia noratlanticum info:eu-repo/semantics/other publication-taxonomictreatment 2006 ftzenodo https://doi.org/10.5281/zenodo.489318410.5281/zenodo.468987910.5281/zenodo.468988310.5281/zenodo.4893183 2023-04-13T21:11:24Z Eubonellia noratlanticum DattaGupta, 1981 (Fig. 2 A-D) MATERIAL EXAMINED. — Porcupine Abyssal Plain, BEN- GAL 2, Discovery 226, stn 13078#11, 48°53.19’N, 16°35.98’W, 4844 m, 12.III.1997, 2 ♀♀. DESCRIPTION Colour of proboscis and trunk of preserved specimens is light pink. Distal tip of proboscis of larger specimen is damaged. In smaller specimen only basal stump of proboscis is still attached to trunk. Proximally, lateral margins of proboscis curl inwards giving it a tubular appearance (Fig. 2A). Trunk of larger specimen measures 66 mm in length and 12 mm across broadest part. Corresponding measurements of smaller specimen are 40 and 10 mm. Integument is thick and opaque at extremities of trunk where longitudinal muscles are arranged in bands, but thin and transparent in middle region of trunk. To unaided eye integument appears smooth but under magnification elongated papillae are visible in contracted regions of trunk, aligned roughly in transverse rows. Proboscis and trunk covered with elongated finger-like outgrowths, occurring either singly or in clusters (Fig. 2A). Genital pore is a transverse slit located about 8 mm away from anterior end of trunk (Fig. 2A). Gonoduct single, sac-like, located on right side of nerve cord (Fig. 2B). Gonostome terminal, resembling short flared vase on a long stalk (Fig. 2B). Alimentary canal long and coiled forming several loops. Contents of gut fine sand not moulded into faecal pellets. Dorsal and neurointestinal vessels arise from wall of foregut without ring sinus (Fig. 2C). Dorsal vessel prominent, passing anteriorly dorsal to oesophagus and pharynx and entering proboscis. Neurointestinal vessel is single throughout (Fig. 2C). Anal vesicles small and branching (Fig. 2D). REMARKS The genus Eubonellia is distinguished by the presence of a bifurcate proboscis, absence of ventral setae, and a single gonoduct (right) with a distally located gonostome. The species Eubonellia noratlanticum is based on specimens from the North Atlantic collected at a depth of 3800 m. The present ... Other/Unknown Material North Atlantic Zenodo Curl ENVELOPE(-63.071,-63.071,-70.797,-70.797) Stump ENVELOPE(-153.167,-153.167,-86.183,-86.183) |
institution |
Open Polar |
collection |
Zenodo |
op_collection_id |
ftzenodo |
language |
unknown |
topic |
Biodiversity Taxonomy Animalia Echiura Polychaeta Echiuroidea Bonelliidae Eubonellia Eubonellia noratlanticum |
spellingShingle |
Biodiversity Taxonomy Animalia Echiura Polychaeta Echiuroidea Bonelliidae Eubonellia Eubonellia noratlanticum Biseswar, Ramlall Eubonellia noratlanticum DattaGupta 1981 |
topic_facet |
Biodiversity Taxonomy Animalia Echiura Polychaeta Echiuroidea Bonelliidae Eubonellia Eubonellia noratlanticum |
description |
Eubonellia noratlanticum DattaGupta, 1981 (Fig. 2 A-D) MATERIAL EXAMINED. — Porcupine Abyssal Plain, BEN- GAL 2, Discovery 226, stn 13078#11, 48°53.19’N, 16°35.98’W, 4844 m, 12.III.1997, 2 ♀♀. DESCRIPTION Colour of proboscis and trunk of preserved specimens is light pink. Distal tip of proboscis of larger specimen is damaged. In smaller specimen only basal stump of proboscis is still attached to trunk. Proximally, lateral margins of proboscis curl inwards giving it a tubular appearance (Fig. 2A). Trunk of larger specimen measures 66 mm in length and 12 mm across broadest part. Corresponding measurements of smaller specimen are 40 and 10 mm. Integument is thick and opaque at extremities of trunk where longitudinal muscles are arranged in bands, but thin and transparent in middle region of trunk. To unaided eye integument appears smooth but under magnification elongated papillae are visible in contracted regions of trunk, aligned roughly in transverse rows. Proboscis and trunk covered with elongated finger-like outgrowths, occurring either singly or in clusters (Fig. 2A). Genital pore is a transverse slit located about 8 mm away from anterior end of trunk (Fig. 2A). Gonoduct single, sac-like, located on right side of nerve cord (Fig. 2B). Gonostome terminal, resembling short flared vase on a long stalk (Fig. 2B). Alimentary canal long and coiled forming several loops. Contents of gut fine sand not moulded into faecal pellets. Dorsal and neurointestinal vessels arise from wall of foregut without ring sinus (Fig. 2C). Dorsal vessel prominent, passing anteriorly dorsal to oesophagus and pharynx and entering proboscis. Neurointestinal vessel is single throughout (Fig. 2C). Anal vesicles small and branching (Fig. 2D). REMARKS The genus Eubonellia is distinguished by the presence of a bifurcate proboscis, absence of ventral setae, and a single gonoduct (right) with a distally located gonostome. The species Eubonellia noratlanticum is based on specimens from the North Atlantic collected at a depth of 3800 m. The present ... |
format |
Other/Unknown Material |
author |
Biseswar, Ramlall |
author_facet |
Biseswar, Ramlall |
author_sort |
Biseswar, Ramlall |
title |
Eubonellia noratlanticum DattaGupta 1981 |
title_short |
Eubonellia noratlanticum DattaGupta 1981 |
title_full |
Eubonellia noratlanticum DattaGupta 1981 |
title_fullStr |
Eubonellia noratlanticum DattaGupta 1981 |
title_full_unstemmed |
Eubonellia noratlanticum DattaGupta 1981 |
title_sort |
eubonellia noratlanticum dattagupta 1981 |
publishDate |
2006 |
url |
https://zenodo.org/record/4893184 https://doi.org/10.5281/zenodo.4893184 |
long_lat |
ENVELOPE(-63.071,-63.071,-70.797,-70.797) ENVELOPE(-153.167,-153.167,-86.183,-86.183) |
geographic |
Curl Stump |
geographic_facet |
Curl Stump |
genre |
North Atlantic |
genre_facet |
North Atlantic |
op_source |
Additions to the deep-sea echiuran (Echiura) fauna of the North-East Atlantic, pp. 853-864 in Zoosystema 28(4) 858 |
op_relation |
info:eu-repo/semantics/altIdentifier/url/http://treatment.plazi.org/id/03F53669FFE3FFFBFF34B9242331C378 doi:10.5281/zenodo.4689879 http://publication.plazi.org/id/FFCC4E11FFE6FFFEFFBCB83C205BC137 doi:10.5281/zenodo.4689883 doi:10.5281/zenodo.4893183 https://zenodo.org/communities/biosyslit https://zenodo.org/record/4893184 https://doi.org/10.5281/zenodo.4893184 oai:zenodo.org:4893184 |
op_rights |
info:eu-repo/semantics/openAccess https://creativecommons.org/publicdomain/zero/1.0/legalcode |
op_doi |
https://doi.org/10.5281/zenodo.489318410.5281/zenodo.468987910.5281/zenodo.468988310.5281/zenodo.4893183 |
_version_ |
1767965711336996864 |