Tesselacauda Ross 1951
Tesselacauda Ross, 1951 Type species. Tesselacauda depressa Ross, 1951, from the Garden City Formation (late Tremadocian; Stairsian; Bearriverops logani Zone), southeastern Idaho, USA. Other species. Tesselacauda kriegerae n. sp., Fillmore Formation, western Utah; T. morrisoni n. sp., Fillmore Forma...
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ftzenodo:oai:zenodo.org:5927902 2024-09-15T18:20:15+00:00 Tesselacauda Ross 1951 Adrain, Jonathan M. Karim, Talia S. 2019-08-28 https://doi.org/10.5281/zenodo.5927902 http://treatment.plazi.org/id/FB558783F67D8D08FF139F67FE1AFE48 unknown Zenodo https://doi.org/10.11646/zootaxa.4661.2.1 http://zenodo.org/record/3379437 http://publication.plazi.org/id/076CFFFBF6758D00FF849B78FFF2F922 https://sibils.text-analytics.ch/search/collections/plazi/FB558783F67D8D08FF139F67FE1AFE48 https://www.gbif.org/species/159293110 https://www.checklistbank.org/dataset/25878/taxon/FB558783F67D8D08FF139F67FE1AFE48.taxon http://zoobank.org/ACC6C2F7-7B3F-41BF-B8F0-239D7B1BC846 https://zenodo.org/communities/biosyslit https://doi.org/10.5281/zenodo.5927901 https://doi.org/10.5281/zenodo.5927902 oai:zenodo.org:5927902 http://treatment.plazi.org/id/FB558783F67D8D08FF139F67FE1AFE48 info:eu-repo/semantics/openAccess Creative Commons Zero v1.0 Universal https://creativecommons.org/publicdomain/zero/1.0/legalcode Revision of the Early Ordovician (late Tremadocian; Stairsian) cheirurid trilobite Tesselacauda Ross, with species from the Great Basin, western USA, pp. 201-255 in Zootaxa, 4661(2), 209, (2019-08-28) Biodiversity Taxonomy Animalia Arthropoda Trilobita Phacopida Pliomeridae Tesselacauda info:eu-repo/semantics/other 2019 ftzenodo https://doi.org/10.5281/zenodo.592790210.11646/zootaxa.4661.2.110.5281/zenodo.5927901 2024-07-26T14:10:51Z Tesselacauda Ross, 1951 Type species. Tesselacauda depressa Ross, 1951, from the Garden City Formation (late Tremadocian; Stairsian; Bearriverops logani Zone), southeastern Idaho, USA. Other species. Tesselacauda kriegerae n. sp., Fillmore Formation, western Utah; T. morrisoni n. sp., Fillmore Formation, western Utah; Tesselacauda n. sp. A, Fillmore Formation, western Utah. Diagnosis. Dorsal exoskeleton relatively flat, only slightly vaulted; anterior border forming a prominent rim; glabella large and broadly subrectangular; hypostome slightly wider than sagittally long, with small lateral spine at shoulder and slightly larger spine at posterolateral corner, entire ventral surface covered with fine, dense tubercles; twelve thoracic segments, anterior and posterior bands equally prominent, with proximal tip of anterior band extended further adaxially than posterior band, pleural furrow deep; pygidium of four segments, pleural tips bluntly terminated, anterior pleural band developed only on first two segments, sculpture of dense granules arranged into distinct rim around pygidial margin. Discussion. Jell (1985, p. 79, pl. 32, fig. 1) assigned a partial cranidium from the Digger Island Formation (Tremadocian) of Victoria, Australia, to Tesselacauda . Peng (1990, p. 114) reassigned it with question to his new Sinoparapilekia . Boyce and Stouge (1997, p. 188) reported “ Tesselacauda sp. cf. T. depressa ” from the Boat Harbour Formation (Stairsian) of western Newfoundland, Canada, but this occurrence has never been illustrated. It is the only report of the genus from southern Laurentia (in Ordovician geography). Aitken and Norford (1967, p. 194) listed but did not describe “ Tesselacauda sp.” from the middle member of the Survey Peak Formation at Mount Wilson, Banff National Park, Alberta, Canada. The stepped nature of the proximal tips of the anterior and posterior pleural bands on the thorax is included in the diagnosis for Tesselacauda herein and is likely synapomorphic for the group. A more comprehensive ... Other/Unknown Material Newfoundland Zenodo |
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Biodiversity Taxonomy Animalia Arthropoda Trilobita Phacopida Pliomeridae Tesselacauda |
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Biodiversity Taxonomy Animalia Arthropoda Trilobita Phacopida Pliomeridae Tesselacauda Adrain, Jonathan M. Karim, Talia S. Tesselacauda Ross 1951 |
topic_facet |
Biodiversity Taxonomy Animalia Arthropoda Trilobita Phacopida Pliomeridae Tesselacauda |
description |
Tesselacauda Ross, 1951 Type species. Tesselacauda depressa Ross, 1951, from the Garden City Formation (late Tremadocian; Stairsian; Bearriverops logani Zone), southeastern Idaho, USA. Other species. Tesselacauda kriegerae n. sp., Fillmore Formation, western Utah; T. morrisoni n. sp., Fillmore Formation, western Utah; Tesselacauda n. sp. A, Fillmore Formation, western Utah. Diagnosis. Dorsal exoskeleton relatively flat, only slightly vaulted; anterior border forming a prominent rim; glabella large and broadly subrectangular; hypostome slightly wider than sagittally long, with small lateral spine at shoulder and slightly larger spine at posterolateral corner, entire ventral surface covered with fine, dense tubercles; twelve thoracic segments, anterior and posterior bands equally prominent, with proximal tip of anterior band extended further adaxially than posterior band, pleural furrow deep; pygidium of four segments, pleural tips bluntly terminated, anterior pleural band developed only on first two segments, sculpture of dense granules arranged into distinct rim around pygidial margin. Discussion. Jell (1985, p. 79, pl. 32, fig. 1) assigned a partial cranidium from the Digger Island Formation (Tremadocian) of Victoria, Australia, to Tesselacauda . Peng (1990, p. 114) reassigned it with question to his new Sinoparapilekia . Boyce and Stouge (1997, p. 188) reported “ Tesselacauda sp. cf. T. depressa ” from the Boat Harbour Formation (Stairsian) of western Newfoundland, Canada, but this occurrence has never been illustrated. It is the only report of the genus from southern Laurentia (in Ordovician geography). Aitken and Norford (1967, p. 194) listed but did not describe “ Tesselacauda sp.” from the middle member of the Survey Peak Formation at Mount Wilson, Banff National Park, Alberta, Canada. The stepped nature of the proximal tips of the anterior and posterior pleural bands on the thorax is included in the diagnosis for Tesselacauda herein and is likely synapomorphic for the group. A more comprehensive ... |
format |
Other/Unknown Material |
author |
Adrain, Jonathan M. Karim, Talia S. |
author_facet |
Adrain, Jonathan M. Karim, Talia S. |
author_sort |
Adrain, Jonathan M. |
title |
Tesselacauda Ross 1951 |
title_short |
Tesselacauda Ross 1951 |
title_full |
Tesselacauda Ross 1951 |
title_fullStr |
Tesselacauda Ross 1951 |
title_full_unstemmed |
Tesselacauda Ross 1951 |
title_sort |
tesselacauda ross 1951 |
publisher |
Zenodo |
publishDate |
2019 |
url |
https://doi.org/10.5281/zenodo.5927902 http://treatment.plazi.org/id/FB558783F67D8D08FF139F67FE1AFE48 |
genre |
Newfoundland |
genre_facet |
Newfoundland |
op_source |
Revision of the Early Ordovician (late Tremadocian; Stairsian) cheirurid trilobite Tesselacauda Ross, with species from the Great Basin, western USA, pp. 201-255 in Zootaxa, 4661(2), 209, (2019-08-28) |
op_relation |
https://doi.org/10.11646/zootaxa.4661.2.1 http://zenodo.org/record/3379437 http://publication.plazi.org/id/076CFFFBF6758D00FF849B78FFF2F922 https://sibils.text-analytics.ch/search/collections/plazi/FB558783F67D8D08FF139F67FE1AFE48 https://www.gbif.org/species/159293110 https://www.checklistbank.org/dataset/25878/taxon/FB558783F67D8D08FF139F67FE1AFE48.taxon http://zoobank.org/ACC6C2F7-7B3F-41BF-B8F0-239D7B1BC846 https://zenodo.org/communities/biosyslit https://doi.org/10.5281/zenodo.5927901 https://doi.org/10.5281/zenodo.5927902 oai:zenodo.org:5927902 http://treatment.plazi.org/id/FB558783F67D8D08FF139F67FE1AFE48 |
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.592790210.11646/zootaxa.4661.2.110.5281/zenodo.5927901 |
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1810458618377535488 |