Litoceras Hyatt 1884
Genus Litoceras Hyatt, 1884 Type species Nautilus versutus Billings, 1865 (part), from Gargamelle Cove, Pointe Riche Peninsula, western Newfoundland, Canada (lower Table Head Formation, Darriwilian, see Stouge 1984); by original designation. Diagnosis Thickly subdiscoidal to subglobular conchs with...
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ftzenodo:oai:zenodo.org:5793592 2023-05-15T17:21:57+02:00 Litoceras Hyatt 1884 Kröger, Björn Pohle, Alexander 2021-12-20 https://zenodo.org/record/5793592 https://doi.org/10.5281/zenodo.5793592 unknown info:eu-repo/semantics/altIdentifier/url/http://treatment.plazi.org/id/5F4487ACFFEDFFECFDB97EBBFB887920 doi:10.5852/ejt.2021.783.1601 http://zenodo.org/record/5793422 http://publication.plazi.org/id/A37DFFD4FFACFFAEFFD67F14FFDE7A64 http://zoobank.org/071EAD63-05ED-4D6C-AC45-8719E6D79E0B doi:10.5281/zenodo.5793591 https://zenodo.org/communities/biosyslit https://zenodo.org/record/5793592 https://doi.org/10.5281/zenodo.5793592 oai:zenodo.org:5793592 info:eu-repo/semantics/openAccess https://creativecommons.org/publicdomain/zero/1.0/legalcode Early-Middle Ordovician cephalopods from Ny Friesland, Spitsbergen - a pelagic fauna with Laurentian affinities, pp. 1-102 in European Journal of Taxonomy 783(1) 66-67 Biodiversity Taxonomy Animalia Mollusca Cephalopoda Tarphycerida Trocholitidae Litoceras info:eu-repo/semantics/other publication-taxonomictreatment 2021 ftzenodo https://doi.org/10.5281/zenodo.579359210.5852/ejt.2021.783.160110.5281/zenodo.5793591 2023-03-10T20:13:08Z Genus Litoceras Hyatt, 1884 Type species Nautilus versutus Billings, 1865 (part), from Gargamelle Cove, Pointe Riche Peninsula, western Newfoundland, Canada (lower Table Head Formation, Darriwilian, see Stouge 1984); by original designation. Diagnosis Thickly subdiscoidal to subglobular conchs with rapidly enlarging, depressed whorls; mature body chamber may become evolute; ornamented with growth lines, which slope apicad from the umbilical shoulder to the hyponomic sinus, growth lines may become fasciculate, and costae may develop which are not, however, prominent, and are not ordinarily evident on the internal mold; straight transverse sutures or faint ventral saddles may develop; siphuncle initially ventral, dorsal by the completion of the second volution (adopted from Flower 1968: 44). Remarks The type specimens (originally described as Nautilus versutus, referred to L. whiteavesi Hyatt, 1894 by Hyatt 1894: 475) have been listed as collected from the St. George and/or Table Head Group of western Newfoundland in Ulrich et al. (1942: 78). However, Flower (1979: 223) stated “after extensive collecting of coiled cephalopods, both from the St. George Group and in the Table Head limestone, it is clear that there is no true Litoceras in the St. George Group nor in any known late Canadian faunas. Specimens very close to L. versutum have been obtained in the Table Head limestone, from which I have obtained at least 35 large coiled cephalopods; all but one belong to Litoceras ”. Published as part of Kröger, Björn & Pohle, Alexander, 2021, Early-Middle Ordovician cephalopods from Ny Friesland, Spitsbergen - a pelagic fauna with Laurentian affinities, pp. 1-102 in European Journal of Taxonomy 783 (1) on pages 66-67, DOI:10.5852/ejt.2021.783.1601, http://zenodo.org/record/5793422 Other/Unknown Material Newfoundland Ny Friesland Spitsbergen Zenodo Canada Gargamelle ENVELOPE(-57.348,-57.348,50.700,50.700) Gargamelle Cove ENVELOPE(-57.365,-57.365,50.700,50.700) Hyatt ENVELOPE(-65.833,-65.833,-65.750,-65.750) Nautilus ENVELOPE(-67.167,-67.167,-67.650,-67.650) Ny Friesland ENVELOPE(16.847,16.847,79.498,79.498) Pointe Riche ENVELOPE(-57.415,-57.415,50.696,50.696) Pointe Riche Peninsula ENVELOPE(-57.382,-57.382,50.700,50.700) Table Head ENVELOPE(-55.698,-55.698,52.083,52.083) |
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collection |
Zenodo |
op_collection_id |
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language |
unknown |
topic |
Biodiversity Taxonomy Animalia Mollusca Cephalopoda Tarphycerida Trocholitidae Litoceras |
spellingShingle |
Biodiversity Taxonomy Animalia Mollusca Cephalopoda Tarphycerida Trocholitidae Litoceras Kröger, Björn Pohle, Alexander Litoceras Hyatt 1884 |
topic_facet |
Biodiversity Taxonomy Animalia Mollusca Cephalopoda Tarphycerida Trocholitidae Litoceras |
description |
Genus Litoceras Hyatt, 1884 Type species Nautilus versutus Billings, 1865 (part), from Gargamelle Cove, Pointe Riche Peninsula, western Newfoundland, Canada (lower Table Head Formation, Darriwilian, see Stouge 1984); by original designation. Diagnosis Thickly subdiscoidal to subglobular conchs with rapidly enlarging, depressed whorls; mature body chamber may become evolute; ornamented with growth lines, which slope apicad from the umbilical shoulder to the hyponomic sinus, growth lines may become fasciculate, and costae may develop which are not, however, prominent, and are not ordinarily evident on the internal mold; straight transverse sutures or faint ventral saddles may develop; siphuncle initially ventral, dorsal by the completion of the second volution (adopted from Flower 1968: 44). Remarks The type specimens (originally described as Nautilus versutus, referred to L. whiteavesi Hyatt, 1894 by Hyatt 1894: 475) have been listed as collected from the St. George and/or Table Head Group of western Newfoundland in Ulrich et al. (1942: 78). However, Flower (1979: 223) stated “after extensive collecting of coiled cephalopods, both from the St. George Group and in the Table Head limestone, it is clear that there is no true Litoceras in the St. George Group nor in any known late Canadian faunas. Specimens very close to L. versutum have been obtained in the Table Head limestone, from which I have obtained at least 35 large coiled cephalopods; all but one belong to Litoceras ”. Published as part of Kröger, Björn & Pohle, Alexander, 2021, Early-Middle Ordovician cephalopods from Ny Friesland, Spitsbergen - a pelagic fauna with Laurentian affinities, pp. 1-102 in European Journal of Taxonomy 783 (1) on pages 66-67, DOI:10.5852/ejt.2021.783.1601, http://zenodo.org/record/5793422 |
format |
Other/Unknown Material |
author |
Kröger, Björn Pohle, Alexander |
author_facet |
Kröger, Björn Pohle, Alexander |
author_sort |
Kröger, Björn |
title |
Litoceras Hyatt 1884 |
title_short |
Litoceras Hyatt 1884 |
title_full |
Litoceras Hyatt 1884 |
title_fullStr |
Litoceras Hyatt 1884 |
title_full_unstemmed |
Litoceras Hyatt 1884 |
title_sort |
litoceras hyatt 1884 |
publishDate |
2021 |
url |
https://zenodo.org/record/5793592 https://doi.org/10.5281/zenodo.5793592 |
long_lat |
ENVELOPE(-57.348,-57.348,50.700,50.700) ENVELOPE(-57.365,-57.365,50.700,50.700) ENVELOPE(-65.833,-65.833,-65.750,-65.750) ENVELOPE(-67.167,-67.167,-67.650,-67.650) ENVELOPE(16.847,16.847,79.498,79.498) ENVELOPE(-57.415,-57.415,50.696,50.696) ENVELOPE(-57.382,-57.382,50.700,50.700) ENVELOPE(-55.698,-55.698,52.083,52.083) |
geographic |
Canada Gargamelle Gargamelle Cove Hyatt Nautilus Ny Friesland Pointe Riche Pointe Riche Peninsula Table Head |
geographic_facet |
Canada Gargamelle Gargamelle Cove Hyatt Nautilus Ny Friesland Pointe Riche Pointe Riche Peninsula Table Head |
genre |
Newfoundland Ny Friesland Spitsbergen |
genre_facet |
Newfoundland Ny Friesland Spitsbergen |
op_source |
Early-Middle Ordovician cephalopods from Ny Friesland, Spitsbergen - a pelagic fauna with Laurentian affinities, pp. 1-102 in European Journal of Taxonomy 783(1) 66-67 |
op_relation |
info:eu-repo/semantics/altIdentifier/url/http://treatment.plazi.org/id/5F4487ACFFEDFFECFDB97EBBFB887920 doi:10.5852/ejt.2021.783.1601 http://zenodo.org/record/5793422 http://publication.plazi.org/id/A37DFFD4FFACFFAEFFD67F14FFDE7A64 http://zoobank.org/071EAD63-05ED-4D6C-AC45-8719E6D79E0B doi:10.5281/zenodo.5793591 https://zenodo.org/communities/biosyslit https://zenodo.org/record/5793592 https://doi.org/10.5281/zenodo.5793592 oai:zenodo.org:5793592 |
op_rights |
info:eu-repo/semantics/openAccess https://creativecommons.org/publicdomain/zero/1.0/legalcode |
op_doi |
https://doi.org/10.5281/zenodo.579359210.5852/ejt.2021.783.160110.5281/zenodo.5793591 |
_version_ |
1766107987355631616 |