Leptaxinus subovatus Jeffreys 1881
Leptaxinus subovatus (Jeffreys, 1881) Fig. 7 j–l Axinus subovatus Jeffreys, 1881 (p. 704, pl. 61, fig. 8). Axinulus subovatus (Jeffreys, 1881) — Nordsieck 1969 (p. 80, pl. 13, fig. 48.13). Leptaxinus ( L. ) subovatus (Jeffreys) — Di Geronimo 1974 (p. 156, pl. 3, fig. 2). Thyasira ( Parathyasira ) su...
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ftzenodo:oai:zenodo.org:6082185 2024-09-15T18:05:46+00:00 Leptaxinus subovatus Jeffreys 1881 Negri, Mauro Pietro Corselli, Cesare 2016-12-31 https://doi.org/10.5281/zenodo.6082185 http://treatment.plazi.org/id/03C587A5FFE7F956FF3BFF786523FB99 unknown Zenodo https://doi.org/10.11646/zootaxa.4186.1.1 http://zenodo.org/record/165288 http://publication.plazi.org/id/FFFCFFDDFFC4F975FFACFFE06675FFC9 https://sibils.text-analytics.ch/search/collections/plazi/03C587A5FFE7F956FF3BFF786523FB99 https://doi.org/10.5281/zenodo.268064 http://zoobank.org/029B675F-776C-4CD6-9992-FA05AEADFA7B https://zenodo.org/communities/biosyslit https://doi.org/10.5281/zenodo.6082184 https://doi.org/10.5281/zenodo.6082185 oai:zenodo.org:6082185 http://treatment.plazi.org/id/03C587A5FFE7F956FF3BFF786523FB99 info:eu-repo/semantics/openAccess Creative Commons Zero v1.0 Universal https://creativecommons.org/publicdomain/zero/1.0/legalcode Bathyal Mollusca from the cold-water coral biotope of Santa Maria di Leuca (Apulian margin, southern Italy), pp. 1-97 in Zootaxa, 4186(1), 36, (2016-12-31) Biodiversity Taxonomy Animalia Mollusca Bivalvia Lucinoida Thyasiridae Leptaxinus Leptaxinus subovatus info:eu-repo/semantics/other 2016 ftzenodo https://doi.org/10.5281/zenodo.608218510.11646/zootaxa.4186.1.110.5281/zenodo.26806410.5281/zenodo.6082184 2024-07-26T03:03:05Z Leptaxinus subovatus (Jeffreys, 1881) Fig. 7 j–l Axinus subovatus Jeffreys, 1881 (p. 704, pl. 61, fig. 8). Axinulus subovatus (Jeffreys, 1881) — Nordsieck 1969 (p. 80, pl. 13, fig. 48.13). Leptaxinus ( L. ) subovatus (Jeffreys) — Di Geronimo 1974 (p. 156, pl. 3, fig. 2). Thyasira ( Parathyasira ) subovata subovata (Jeffreys, 1881) — Payne & Allen 1991 (p. 513, figs. 48–50, 53 a–b). Thyasira ( Parathyasira ) subovata minuta Payne & Allen 1991 (p. 515, figs. 51–52, 53 c–d). Thyasira ( Parathyasira ) subovata (Jeffreys, 1881) — Giribet & Peñas 1997 (fig. 100). Thyasira subovata Jeffreys, 1881 — Oliver et al. 2002 (p. 60, pl. 25, figs. A–B). Leptaxinus subovatus (Jeffreys, 1881) — Repetto et al. 2005 (p. 310, bottom right fig.). Diagnostic characters . Oval, oblique shell; long anterior side; roundly angular posterior side; outer surface with uneven and rather coarse growth markings; right valve hinge with 1 cardinal tubercle and 2 lamellar lateral teeth; left valve hinge with 1 cardinal tubercle. Prodissoconch: shell type ST-2D; length about 120 µm; roundish Dshaped outline; low convex profile; surface smooth; P-2 absent; transition to the nepioconch poorly marked. Remarks . The specimens at hand appear to be more similar to the subspecies minuta Payne & Allen, 1991, than to the nominal species of Jeffreys, in having an oval (not subtriangular) shell with rounded (not wedgeshaped) posterior angulation. We follow Oliver & Levin (2006) in preferring the genus Leptaxinus Verrill & Bush, 1898 for the present taxon, rather than Thyasira Lamarck, 1818, for the presence of both cardinal tubercles and lateral teeth. Occurrence . Box-corer samples BC10 (2 specimens), BC66 (2), BC67 (3), BC72 (5); cores BC21 (1), BC72 (5). Maximum length: 2.5 mm. Distribution and habitat . Leptaxinus subovatus is distributed troughout the Atlantic, from Iceland and Faroes to Cape Verde, Angola and Argentina, and in the Mediterranean; it is found in the 200–4000 m bathymetric interval, reaching shallower depths at ... Other/Unknown Material Faroes Iceland Zenodo |
institution |
Open Polar |
collection |
Zenodo |
op_collection_id |
ftzenodo |
language |
unknown |
topic |
Biodiversity Taxonomy Animalia Mollusca Bivalvia Lucinoida Thyasiridae Leptaxinus Leptaxinus subovatus |
spellingShingle |
Biodiversity Taxonomy Animalia Mollusca Bivalvia Lucinoida Thyasiridae Leptaxinus Leptaxinus subovatus Negri, Mauro Pietro Corselli, Cesare Leptaxinus subovatus Jeffreys 1881 |
topic_facet |
Biodiversity Taxonomy Animalia Mollusca Bivalvia Lucinoida Thyasiridae Leptaxinus Leptaxinus subovatus |
description |
Leptaxinus subovatus (Jeffreys, 1881) Fig. 7 j–l Axinus subovatus Jeffreys, 1881 (p. 704, pl. 61, fig. 8). Axinulus subovatus (Jeffreys, 1881) — Nordsieck 1969 (p. 80, pl. 13, fig. 48.13). Leptaxinus ( L. ) subovatus (Jeffreys) — Di Geronimo 1974 (p. 156, pl. 3, fig. 2). Thyasira ( Parathyasira ) subovata subovata (Jeffreys, 1881) — Payne & Allen 1991 (p. 513, figs. 48–50, 53 a–b). Thyasira ( Parathyasira ) subovata minuta Payne & Allen 1991 (p. 515, figs. 51–52, 53 c–d). Thyasira ( Parathyasira ) subovata (Jeffreys, 1881) — Giribet & Peñas 1997 (fig. 100). Thyasira subovata Jeffreys, 1881 — Oliver et al. 2002 (p. 60, pl. 25, figs. A–B). Leptaxinus subovatus (Jeffreys, 1881) — Repetto et al. 2005 (p. 310, bottom right fig.). Diagnostic characters . Oval, oblique shell; long anterior side; roundly angular posterior side; outer surface with uneven and rather coarse growth markings; right valve hinge with 1 cardinal tubercle and 2 lamellar lateral teeth; left valve hinge with 1 cardinal tubercle. Prodissoconch: shell type ST-2D; length about 120 µm; roundish Dshaped outline; low convex profile; surface smooth; P-2 absent; transition to the nepioconch poorly marked. Remarks . The specimens at hand appear to be more similar to the subspecies minuta Payne & Allen, 1991, than to the nominal species of Jeffreys, in having an oval (not subtriangular) shell with rounded (not wedgeshaped) posterior angulation. We follow Oliver & Levin (2006) in preferring the genus Leptaxinus Verrill & Bush, 1898 for the present taxon, rather than Thyasira Lamarck, 1818, for the presence of both cardinal tubercles and lateral teeth. Occurrence . Box-corer samples BC10 (2 specimens), BC66 (2), BC67 (3), BC72 (5); cores BC21 (1), BC72 (5). Maximum length: 2.5 mm. Distribution and habitat . Leptaxinus subovatus is distributed troughout the Atlantic, from Iceland and Faroes to Cape Verde, Angola and Argentina, and in the Mediterranean; it is found in the 200–4000 m bathymetric interval, reaching shallower depths at ... |
format |
Other/Unknown Material |
author |
Negri, Mauro Pietro Corselli, Cesare |
author_facet |
Negri, Mauro Pietro Corselli, Cesare |
author_sort |
Negri, Mauro Pietro |
title |
Leptaxinus subovatus Jeffreys 1881 |
title_short |
Leptaxinus subovatus Jeffreys 1881 |
title_full |
Leptaxinus subovatus Jeffreys 1881 |
title_fullStr |
Leptaxinus subovatus Jeffreys 1881 |
title_full_unstemmed |
Leptaxinus subovatus Jeffreys 1881 |
title_sort |
leptaxinus subovatus jeffreys 1881 |
publisher |
Zenodo |
publishDate |
2016 |
url |
https://doi.org/10.5281/zenodo.6082185 http://treatment.plazi.org/id/03C587A5FFE7F956FF3BFF786523FB99 |
genre |
Faroes Iceland |
genre_facet |
Faroes Iceland |
op_source |
Bathyal Mollusca from the cold-water coral biotope of Santa Maria di Leuca (Apulian margin, southern Italy), pp. 1-97 in Zootaxa, 4186(1), 36, (2016-12-31) |
op_relation |
https://doi.org/10.11646/zootaxa.4186.1.1 http://zenodo.org/record/165288 http://publication.plazi.org/id/FFFCFFDDFFC4F975FFACFFE06675FFC9 https://sibils.text-analytics.ch/search/collections/plazi/03C587A5FFE7F956FF3BFF786523FB99 https://doi.org/10.5281/zenodo.268064 http://zoobank.org/029B675F-776C-4CD6-9992-FA05AEADFA7B https://zenodo.org/communities/biosyslit https://doi.org/10.5281/zenodo.6082184 https://doi.org/10.5281/zenodo.6082185 oai:zenodo.org:6082185 http://treatment.plazi.org/id/03C587A5FFE7F956FF3BFF786523FB99 |
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.608218510.11646/zootaxa.4186.1.110.5281/zenodo.26806410.5281/zenodo.6082184 |
_version_ |
1810443282919981056 |