Tarimspira from the Cambrian (Series 2, Stage 4) of Laurentia (Greenland): extending the skeletal record of paraconodontid vertebrates
Phosphatic sclerites of the problematic TarimspiraYue and Gao, 1992 (Cambrian Series 2) recovered by weak acid maceration of limestones display a unique range of mainly strongly coiled morphologies. They were likely organized into multielement scleritomes, but the nature of these is poorly known; so...
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The Paleontological Society
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ftbioone:10.1017/jpa.2018.68 2024-06-02T08:07:19+00:00 Tarimspira from the Cambrian (Series 2, Stage 4) of Laurentia (Greenland): extending the skeletal record of paraconodontid vertebrates John S. Peel John S. Peel world 2019-02-27 text/HTML https://doi.org/10.1017/jpa.2018.68 en eng The Paleontological Society doi:10.1017/jpa.2018.68 All rights reserved. https://doi.org/10.1017/jpa.2018.68 Text 2019 ftbioone https://doi.org/10.1017/jpa.2018.68 2024-05-07T00:47:45Z Phosphatic sclerites of the problematic TarimspiraYue and Gao, 1992 (Cambrian Series 2) recovered by weak acid maceration of limestones display a unique range of mainly strongly coiled morphologies. They were likely organized into multielement scleritomes, but the nature of these is poorly known; some sclerites may have had a grasping function. Tarimspira sclerites grew by basal accretion in an analogous fashion to younger paraconodonts (Cambrian Series 3–4) but lack a basal cavity. Based on proposed homologies, Tarimspira may provide an extension of the early vertebrate paraconodont–euconodont clade back into the early Cambrian. Tarimspira is described for the first time from Laurentia (North Greenland), extending its known range from China and Siberia in Cambrian Series 2. In addition to the type species, Tarimspira planaYue and Gao, 1992, the Greenland record of Tarimspira includes two morphotypes of a new species, Tarimspira artemi. Text Greenland North Greenland Siberia BioOne Online Journals Greenland Journal of Paleontology 93 1 115 125 |
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Open Polar |
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BioOne Online Journals |
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ftbioone |
language |
English |
description |
Phosphatic sclerites of the problematic TarimspiraYue and Gao, 1992 (Cambrian Series 2) recovered by weak acid maceration of limestones display a unique range of mainly strongly coiled morphologies. They were likely organized into multielement scleritomes, but the nature of these is poorly known; some sclerites may have had a grasping function. Tarimspira sclerites grew by basal accretion in an analogous fashion to younger paraconodonts (Cambrian Series 3–4) but lack a basal cavity. Based on proposed homologies, Tarimspira may provide an extension of the early vertebrate paraconodont–euconodont clade back into the early Cambrian. Tarimspira is described for the first time from Laurentia (North Greenland), extending its known range from China and Siberia in Cambrian Series 2. In addition to the type species, Tarimspira planaYue and Gao, 1992, the Greenland record of Tarimspira includes two morphotypes of a new species, Tarimspira artemi. |
author2 |
John S. Peel |
format |
Text |
author |
John S. Peel |
spellingShingle |
John S. Peel Tarimspira from the Cambrian (Series 2, Stage 4) of Laurentia (Greenland): extending the skeletal record of paraconodontid vertebrates |
author_facet |
John S. Peel |
author_sort |
John S. Peel |
title |
Tarimspira from the Cambrian (Series 2, Stage 4) of Laurentia (Greenland): extending the skeletal record of paraconodontid vertebrates |
title_short |
Tarimspira from the Cambrian (Series 2, Stage 4) of Laurentia (Greenland): extending the skeletal record of paraconodontid vertebrates |
title_full |
Tarimspira from the Cambrian (Series 2, Stage 4) of Laurentia (Greenland): extending the skeletal record of paraconodontid vertebrates |
title_fullStr |
Tarimspira from the Cambrian (Series 2, Stage 4) of Laurentia (Greenland): extending the skeletal record of paraconodontid vertebrates |
title_full_unstemmed |
Tarimspira from the Cambrian (Series 2, Stage 4) of Laurentia (Greenland): extending the skeletal record of paraconodontid vertebrates |
title_sort |
tarimspira from the cambrian (series 2, stage 4) of laurentia (greenland): extending the skeletal record of paraconodontid vertebrates |
publisher |
The Paleontological Society |
publishDate |
2019 |
url |
https://doi.org/10.1017/jpa.2018.68 |
op_coverage |
world |
geographic |
Greenland |
geographic_facet |
Greenland |
genre |
Greenland North Greenland Siberia |
genre_facet |
Greenland North Greenland Siberia |
op_source |
https://doi.org/10.1017/jpa.2018.68 |
op_relation |
doi:10.1017/jpa.2018.68 |
op_rights |
All rights reserved. |
op_doi |
https://doi.org/10.1017/jpa.2018.68 |
container_title |
Journal of Paleontology |
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93 |
container_issue |
1 |
container_start_page |
115 |
op_container_end_page |
125 |
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1800752389943197696 |