Cyclolituites Remele 1886
Genus Cyclolituites Remelé, 1886 Type species Lituites applanatus Remelé, 1880; by original designation. Species included Cyclolituites americanus Hyatt, 1894; Cyclolituites anhuiensis Qi, 1980; Lituites applanatus Remelé, 1880; Cyclolituites dazhubaensis Chen in Gao et al. , 1982; Cyclolituites hub...
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ftzenodo:oai:zenodo.org:6343285 2024-09-15T18:20:16+00:00 Cyclolituites Remele 1886 Aubrechtová, Martina Korn, Dieter 2022-03-08 https://doi.org/10.5281/zenodo.6343285 http://treatment.plazi.org/id/03FE5868FFAA3D04DD2FFE8AFE66F94A unknown Zenodo https://doi.org/10.5852/ejt.2022.799.1681 http://zenodo.org/record/6341270 http://publication.plazi.org/id/FFC72010FFF53D5BDF7EFF83FFE3FFD1 https://sibils.text-analytics.ch/search/collections/plazi/03FE5868FFAA3D04DD2FFE8AFE66F94A https://www.gbif.org/species/193941437 http://zoobank.org/F52DBAB0-38C7-400F-9BA1-E2D8E6B19E7E https://zenodo.org/communities/biosyslit https://doi.org/10.5281/zenodo.6343284 https://doi.org/10.5281/zenodo.6343285 oai:zenodo.org:6343285 http://treatment.plazi.org/id/03FE5868FFAA3D04DD2FFE8AFE66F94A info:eu-repo/semantics/openAccess Creative Commons Zero v1.0 Universal https://creativecommons.org/publicdomain/zero/1.0/legalcode Taxonomy and ontogeny of the Lituitida (Cephalopoda) from Orthoceratite Limestone erratics (Middle Ordovician), pp. 1-108 in European Journal of Taxonomy, 799(1), 96, (2022-03-08) Biodiversity Taxonomy Animalia Mollusca Cephalopoda Orthocerida Lituitidae Cyclolituites info:eu-repo/semantics/other 2022 ftzenodo https://doi.org/10.5281/zenodo.634328510.5852/ejt.2022.799.168110.5281/zenodo.6343284 2024-07-25T18:12:27Z Genus Cyclolituites Remelé, 1886 Type species Lituites applanatus Remelé, 1880; by original designation. Species included Cyclolituites americanus Hyatt, 1894; Cyclolituites anhuiensis Qi, 1980; Lituites applanatus Remelé, 1880; Cyclolituites dazhubaensis Chen in Gao et al. , 1982; Cyclolituites hubeiensis Xu & Liu, 1977; Cyclolituites kjerulfi Sweet, 1958; Cyclolituites Lynceus Holm, 1891; Lituites Lynnensis Kjerulf, 1865; Cyclolituites trilobatus Lai & Wang in Wang, 1981. Diagnosis Genus of the family Lituitidae with discoidally coiled conch, uncoiled conch part lacking. Inner whorls tightly coiled, last volution or only its apertural end detached from the preceding; umbilical window large, 2–5 mm wide; whorl expansion rate ca 3.10; increasingly prominent ventral ridge developed in apertural end of the conch. Shell surface faintly annulated or lirated. Siphuncle position subdorsal to subcentral. Aperture of mature conch five-lobed, characterised by a deep ventral sinus, a pair of asymmetric ventrolateral lappets, lateral sinuses and less pronounced dorsolateral and dorsal projections (after Sweet 1958 and Furnish & Glenister 1964; modified). Remarks Cyclolituites americanus , from the early or middle Darriwilian strata of Newfoundland, differs from all other species of the genus in a significantly larger coiled conch (over 40 mm diameter) and in the pronounced paired grooves flanking the ventral sinus of the ornament. In both characters, C. americanus is similar to Angelinoceras latum (Dzik 1984). However, C. americanus is known so far only from a single, fragmentary specimen (Flower 1975), in which adoral part of the conch are missing, and the species is thus tentatively retained in the genus Cyclolituites . Dzik (1984) stated that Cyclolituites applanatus , C. lynceus and C. lynnensis cannot be recognised as separate species. In fact, however, the data presented herein show that the three species can be distinguished rather easily based on their maximum conch diameters, whorl expansion rates and ... Other/Unknown Material Newfoundland Zenodo |
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Biodiversity Taxonomy Animalia Mollusca Cephalopoda Orthocerida Lituitidae Cyclolituites |
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Biodiversity Taxonomy Animalia Mollusca Cephalopoda Orthocerida Lituitidae Cyclolituites Aubrechtová, Martina Korn, Dieter Cyclolituites Remele 1886 |
topic_facet |
Biodiversity Taxonomy Animalia Mollusca Cephalopoda Orthocerida Lituitidae Cyclolituites |
description |
Genus Cyclolituites Remelé, 1886 Type species Lituites applanatus Remelé, 1880; by original designation. Species included Cyclolituites americanus Hyatt, 1894; Cyclolituites anhuiensis Qi, 1980; Lituites applanatus Remelé, 1880; Cyclolituites dazhubaensis Chen in Gao et al. , 1982; Cyclolituites hubeiensis Xu & Liu, 1977; Cyclolituites kjerulfi Sweet, 1958; Cyclolituites Lynceus Holm, 1891; Lituites Lynnensis Kjerulf, 1865; Cyclolituites trilobatus Lai & Wang in Wang, 1981. Diagnosis Genus of the family Lituitidae with discoidally coiled conch, uncoiled conch part lacking. Inner whorls tightly coiled, last volution or only its apertural end detached from the preceding; umbilical window large, 2–5 mm wide; whorl expansion rate ca 3.10; increasingly prominent ventral ridge developed in apertural end of the conch. Shell surface faintly annulated or lirated. Siphuncle position subdorsal to subcentral. Aperture of mature conch five-lobed, characterised by a deep ventral sinus, a pair of asymmetric ventrolateral lappets, lateral sinuses and less pronounced dorsolateral and dorsal projections (after Sweet 1958 and Furnish & Glenister 1964; modified). Remarks Cyclolituites americanus , from the early or middle Darriwilian strata of Newfoundland, differs from all other species of the genus in a significantly larger coiled conch (over 40 mm diameter) and in the pronounced paired grooves flanking the ventral sinus of the ornament. In both characters, C. americanus is similar to Angelinoceras latum (Dzik 1984). However, C. americanus is known so far only from a single, fragmentary specimen (Flower 1975), in which adoral part of the conch are missing, and the species is thus tentatively retained in the genus Cyclolituites . Dzik (1984) stated that Cyclolituites applanatus , C. lynceus and C. lynnensis cannot be recognised as separate species. In fact, however, the data presented herein show that the three species can be distinguished rather easily based on their maximum conch diameters, whorl expansion rates and ... |
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Other/Unknown Material |
author |
Aubrechtová, Martina Korn, Dieter |
author_facet |
Aubrechtová, Martina Korn, Dieter |
author_sort |
Aubrechtová, Martina |
title |
Cyclolituites Remele 1886 |
title_short |
Cyclolituites Remele 1886 |
title_full |
Cyclolituites Remele 1886 |
title_fullStr |
Cyclolituites Remele 1886 |
title_full_unstemmed |
Cyclolituites Remele 1886 |
title_sort |
cyclolituites remele 1886 |
publisher |
Zenodo |
publishDate |
2022 |
url |
https://doi.org/10.5281/zenodo.6343285 http://treatment.plazi.org/id/03FE5868FFAA3D04DD2FFE8AFE66F94A |
genre |
Newfoundland |
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Newfoundland |
op_source |
Taxonomy and ontogeny of the Lituitida (Cephalopoda) from Orthoceratite Limestone erratics (Middle Ordovician), pp. 1-108 in European Journal of Taxonomy, 799(1), 96, (2022-03-08) |
op_relation |
https://doi.org/10.5852/ejt.2022.799.1681 http://zenodo.org/record/6341270 http://publication.plazi.org/id/FFC72010FFF53D5BDF7EFF83FFE3FFD1 https://sibils.text-analytics.ch/search/collections/plazi/03FE5868FFAA3D04DD2FFE8AFE66F94A https://www.gbif.org/species/193941437 http://zoobank.org/F52DBAB0-38C7-400F-9BA1-E2D8E6B19E7E https://zenodo.org/communities/biosyslit https://doi.org/10.5281/zenodo.6343284 https://doi.org/10.5281/zenodo.6343285 oai:zenodo.org:6343285 http://treatment.plazi.org/id/03FE5868FFAA3D04DD2FFE8AFE66F94A |
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.634328510.5852/ejt.2022.799.168110.5281/zenodo.6343284 |
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1810458630496976896 |