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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Zenodo
2019
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Online Access: | https://dx.doi.org/10.5281/zenodo.5927902 https://zenodo.org/record/5927902 |
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DataCite Metadata Store (German National Library of Science and Technology) |
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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 examination of other “pilekiine” thoracic segments is planned and will shed light on the extent of this morphology. : Published as part of Adrain, Jonathan M. & Karim, Talia S., 2019, 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) on page 209, DOI: 10.11646/zootaxa.4661.2.1, http://zenodo.org/record/3379437 : {"references": ["Ross, R. J., Jr. (1951) Stratigraphy of the Garden City Formation in northeastern Utah, and its trilobite faunas. Peabody Museum of Natural History, Yale University, Bulletin, 6, 1 - 161.", "Jell, P. A. (1985) Tremadoc trilobites of the Digger Island Formation, Waratah Bay, Victoria. Memoirs of the Museum of Victoria, 46, 53 - 88. https: // doi. org / 10.24199 / j. mmv. 1985.46.03", "Peng, S. - C. (1990) Tremadoc stratigraphy and trilobite faunas of northwestern Hunan. 2. Trilobites from the Panjiazui Formation and the Madaoyu Formation in Jiangnan Slope Belt. Beringeria, 2, 55 - 171.", "Boyce, W. D. & Stouge, S. (1997) Trilobite and conodont biostratigraphy of the St. George Group, Eddies Cove West area, western Newfoundland. Newfoundland Department of Mines and Energy, Geological Survey, Report 97 - 1, 183 - 200.", "Aitken, J. D. & Norford, B. S. (1967) Lower Ordovician Survey Peak and Outram formations, southern Rocky Mountains of Alberta. Bulletin of Canadian Petroleum Geology, 15, 150 - 207."]} |
format |
Text |
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://dx.doi.org/10.5281/zenodo.5927902 https://zenodo.org/record/5927902 |
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ENVELOPE(-44.516,-44.516,-60.733,-60.733) ENVELOPE(69.433,69.433,-49.633,-49.633) ENVELOPE(-54.967,-54.967,72.350,72.350) ENVELOPE(176.250,176.250,-70.583,-70.583) ENVELOPE(-124.986,-124.986,57.833,57.833) ENVELOPE(-56.448,-56.448,51.417,51.417) ENVELOPE(-57.165,-57.165,50.750,50.750) |
geographic |
Canada Aitken Boat Harbour Talia Mount Wilson Survey Peak Eddies Cove Eddies Cove West |
geographic_facet |
Canada Aitken Boat Harbour Talia Mount Wilson Survey Peak Eddies Cove Eddies Cove West |
genre |
Newfoundland |
genre_facet |
Newfoundland |
op_relation |
http://zenodo.org/record/3379437 http://publication.plazi.org/id/076CFFFBF6758D00FF849B78FFF2F922 http://zoobank.org/ACC6C2F7-7B3F-41BF-B8F0-239D7B1BC846 https://zenodo.org/communities/biosyslit https://dx.doi.org/10.11646/zootaxa.4661.2.1 http://zenodo.org/record/3379437 http://publication.plazi.org/id/076CFFFBF6758D00FF849B78FFF2F922 http://zoobank.org/ACC6C2F7-7B3F-41BF-B8F0-239D7B1BC846 https://dx.doi.org/10.5281/zenodo.5927901 https://zenodo.org/communities/biosyslit |
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Open Access Creative Commons Zero v1.0 Universal https://creativecommons.org/publicdomain/zero/1.0/legalcode cc0-1.0 info:eu-repo/semantics/openAccess |
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CC0 |
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ftdatacite:10.5281/zenodo.5927902 2023-05-15T17:22:06+02:00 Tesselacauda Ross 1951 Adrain, Jonathan M. Karim, Talia S. 2019 https://dx.doi.org/10.5281/zenodo.5927902 https://zenodo.org/record/5927902 unknown Zenodo http://zenodo.org/record/3379437 http://publication.plazi.org/id/076CFFFBF6758D00FF849B78FFF2F922 http://zoobank.org/ACC6C2F7-7B3F-41BF-B8F0-239D7B1BC846 https://zenodo.org/communities/biosyslit https://dx.doi.org/10.11646/zootaxa.4661.2.1 http://zenodo.org/record/3379437 http://publication.plazi.org/id/076CFFFBF6758D00FF849B78FFF2F922 http://zoobank.org/ACC6C2F7-7B3F-41BF-B8F0-239D7B1BC846 https://dx.doi.org/10.5281/zenodo.5927901 https://zenodo.org/communities/biosyslit Open Access Creative Commons Zero v1.0 Universal https://creativecommons.org/publicdomain/zero/1.0/legalcode cc0-1.0 info:eu-repo/semantics/openAccess CC0 Biodiversity Taxonomy Animalia Arthropoda Trilobita Phacopida Pliomeridae Tesselacauda article-journal ScholarlyArticle Text Taxonomic treatment 2019 ftdatacite https://doi.org/10.5281/zenodo.5927902 https://doi.org/10.11646/zootaxa.4661.2.1 https://doi.org/10.5281/zenodo.5927901 2022-03-10T16:27:39Z 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 examination of other “pilekiine” thoracic segments is planned and will shed light on the extent of this morphology. : Published as part of Adrain, Jonathan M. & Karim, Talia S., 2019, 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) on page 209, DOI: 10.11646/zootaxa.4661.2.1, http://zenodo.org/record/3379437 : {"references": ["Ross, R. J., Jr. (1951) Stratigraphy of the Garden City Formation in northeastern Utah, and its trilobite faunas. Peabody Museum of Natural History, Yale University, Bulletin, 6, 1 - 161.", "Jell, P. A. (1985) Tremadoc trilobites of the Digger Island Formation, Waratah Bay, Victoria. Memoirs of the Museum of Victoria, 46, 53 - 88. https: // doi. org / 10.24199 / j. mmv. 1985.46.03", "Peng, S. - C. (1990) Tremadoc stratigraphy and trilobite faunas of northwestern Hunan. 2. Trilobites from the Panjiazui Formation and the Madaoyu Formation in Jiangnan Slope Belt. Beringeria, 2, 55 - 171.", "Boyce, W. D. & Stouge, S. (1997) Trilobite and conodont biostratigraphy of the St. George Group, Eddies Cove West area, western Newfoundland. Newfoundland Department of Mines and Energy, Geological Survey, Report 97 - 1, 183 - 200.", "Aitken, J. D. & Norford, B. S. (1967) Lower Ordovician Survey Peak and Outram formations, southern Rocky Mountains of Alberta. Bulletin of Canadian Petroleum Geology, 15, 150 - 207."]} Text Newfoundland DataCite Metadata Store (German National Library of Science and Technology) Canada Aitken ENVELOPE(-44.516,-44.516,-60.733,-60.733) Boat Harbour ENVELOPE(69.433,69.433,-49.633,-49.633) Talia ENVELOPE(-54.967,-54.967,72.350,72.350) Mount Wilson ENVELOPE(176.250,176.250,-70.583,-70.583) Survey Peak ENVELOPE(-124.986,-124.986,57.833,57.833) Eddies Cove ENVELOPE(-56.448,-56.448,51.417,51.417) Eddies Cove West ENVELOPE(-57.165,-57.165,50.750,50.750) |