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A New Genus of Rhynchonellid Brachiopod from the Lower Triassic of South China and Implications for Timing the Recovery of Brachiopoda After the End‐Permian Mass Extinction
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Zeitschriftentitel: | Palaeontology |
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Personen und Körperschaften: | , , |
In: | Palaeontology, 45, 2002, 1, S. 149-164 |
Format: | E-Article |
Sprache: | Englisch |
veröffentlicht: |
Wiley
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Schlagwörter: |
author_facet |
Chen, Z.Q. Shi, G.R. Kaiho, K. Chen, Z.Q. Shi, G.R. Kaiho, K. |
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author |
Chen, Z.Q. Shi, G.R. Kaiho, K. |
spellingShingle |
Chen, Z.Q. Shi, G.R. Kaiho, K. Palaeontology A New Genus of Rhynchonellid Brachiopod from the Lower Triassic of South China and Implications for Timing the Recovery of Brachiopoda After the End‐Permian Mass Extinction Paleontology Ecology, Evolution, Behavior and Systematics |
author_sort |
chen, z.q. |
spelling |
Chen, Z.Q. Shi, G.R. Kaiho, K. 0031-0239 1475-4983 Wiley Paleontology Ecology, Evolution, Behavior and Systematics http://dx.doi.org/10.1111/1475-4983.00231 <jats:p>A new genus, <jats:italic>Meishanorhynchia</jats:italic>, is proposed based on new material from the Lower Triassic of the Meishan section, South China. It is of a late Griesbachian age based on both associated biozones (ammonoids and bivalves) and radiometric dates of the intercalated volcanic ash beds. Comparison with both Palaeozoic and Mesozoic–Cenozoic‐related genera suggests that it may represent the first radiation of progenitor brachiopods in the aftermath of the end‐Permian extinction. The lowest brachiopod horizon that contains the genus is estimated to be about 250.1 ± 0.3 Ma. This implies that the initial stage of recovery of Brachiopoda in the Early Triassic was probably about 1.3 ± 0.3 myr after the major pulse of the end‐Permian mass extinction (dated as 251.4 ± 0.3 Ma). This is in agreement with Hallam’s expectancy that biotic recovery typically begins within one million years or so of major mass extinctions, in contrast to current views on the end‐Permian extinction event which propose that the recovery of most if not all biotic groups in the Early Triassic was severely delayed and only began about five million years after the end‐Permian extinction.</jats:p> A New Genus of Rhynchonellid Brachiopod from the Lower Triassic of South China and Implications for Timing the Recovery of Brachiopoda After the End‐Permian Mass Extinction Palaeontology |
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10.1111/1475-4983.00231 |
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Wiley, 2002 |
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Wiley, 2002 |
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title |
A New Genus of Rhynchonellid Brachiopod from the Lower Triassic of South China and Implications for Timing the Recovery of Brachiopoda After the End‐Permian Mass Extinction |
title_unstemmed |
A New Genus of Rhynchonellid Brachiopod from the Lower Triassic of South China and Implications for Timing the Recovery of Brachiopoda After the End‐Permian Mass Extinction |
title_full |
A New Genus of Rhynchonellid Brachiopod from the Lower Triassic of South China and Implications for Timing the Recovery of Brachiopoda After the End‐Permian Mass Extinction |
title_fullStr |
A New Genus of Rhynchonellid Brachiopod from the Lower Triassic of South China and Implications for Timing the Recovery of Brachiopoda After the End‐Permian Mass Extinction |
title_full_unstemmed |
A New Genus of Rhynchonellid Brachiopod from the Lower Triassic of South China and Implications for Timing the Recovery of Brachiopoda After the End‐Permian Mass Extinction |
title_short |
A New Genus of Rhynchonellid Brachiopod from the Lower Triassic of South China and Implications for Timing the Recovery of Brachiopoda After the End‐Permian Mass Extinction |
title_sort |
a new genus of rhynchonellid brachiopod from the lower triassic of south china and implications for timing the recovery of brachiopoda after the end‐permian mass extinction |
topic |
Paleontology Ecology, Evolution, Behavior and Systematics |
url |
http://dx.doi.org/10.1111/1475-4983.00231 |
publishDate |
2002 |
physical |
149-164 |
description |
<jats:p>A new genus, <jats:italic>Meishanorhynchia</jats:italic>, is proposed based on new material from the Lower Triassic of the Meishan section, South China. It is of a late Griesbachian age based on both associated biozones (ammonoids and bivalves) and radiometric dates of the intercalated volcanic ash beds. Comparison with both Palaeozoic and Mesozoic–Cenozoic‐related genera suggests that it may represent the first radiation of progenitor brachiopods in the aftermath of the end‐Permian extinction. The lowest brachiopod horizon that contains the genus is estimated to be about 250.1 ± 0.3 Ma. This implies that the initial stage of recovery of Brachiopoda in the Early Triassic was probably about 1.3 ± 0.3 myr after the major pulse of the end‐Permian mass extinction (dated as 251.4 ± 0.3 Ma). This is in agreement with Hallam’s expectancy that biotic recovery typically begins within one million years or so of major mass extinctions, in contrast to current views on the end‐Permian extinction event which propose that the recovery of most if not all biotic groups in the Early Triassic was severely delayed and only began about five million years after the end‐Permian extinction.</jats:p> |
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author | Chen, Z.Q., Shi, G.R., Kaiho, K. |
author_facet | Chen, Z.Q., Shi, G.R., Kaiho, K., Chen, Z.Q., Shi, G.R., Kaiho, K. |
author_sort | chen, z.q. |
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container_title | Palaeontology |
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description | <jats:p>A new genus, <jats:italic>Meishanorhynchia</jats:italic>, is proposed based on new material from the Lower Triassic of the Meishan section, South China. It is of a late Griesbachian age based on both associated biozones (ammonoids and bivalves) and radiometric dates of the intercalated volcanic ash beds. Comparison with both Palaeozoic and Mesozoic–Cenozoic‐related genera suggests that it may represent the first radiation of progenitor brachiopods in the aftermath of the end‐Permian extinction. The lowest brachiopod horizon that contains the genus is estimated to be about 250.1 ± 0.3 Ma. This implies that the initial stage of recovery of Brachiopoda in the Early Triassic was probably about 1.3 ± 0.3 myr after the major pulse of the end‐Permian mass extinction (dated as 251.4 ± 0.3 Ma). This is in agreement with Hallam’s expectancy that biotic recovery typically begins within one million years or so of major mass extinctions, in contrast to current views on the end‐Permian extinction event which propose that the recovery of most if not all biotic groups in the Early Triassic was severely delayed and only began about five million years after the end‐Permian extinction.</jats:p> |
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spelling | Chen, Z.Q. Shi, G.R. Kaiho, K. 0031-0239 1475-4983 Wiley Paleontology Ecology, Evolution, Behavior and Systematics http://dx.doi.org/10.1111/1475-4983.00231 <jats:p>A new genus, <jats:italic>Meishanorhynchia</jats:italic>, is proposed based on new material from the Lower Triassic of the Meishan section, South China. It is of a late Griesbachian age based on both associated biozones (ammonoids and bivalves) and radiometric dates of the intercalated volcanic ash beds. Comparison with both Palaeozoic and Mesozoic–Cenozoic‐related genera suggests that it may represent the first radiation of progenitor brachiopods in the aftermath of the end‐Permian extinction. The lowest brachiopod horizon that contains the genus is estimated to be about 250.1 ± 0.3 Ma. This implies that the initial stage of recovery of Brachiopoda in the Early Triassic was probably about 1.3 ± 0.3 myr after the major pulse of the end‐Permian mass extinction (dated as 251.4 ± 0.3 Ma). This is in agreement with Hallam’s expectancy that biotic recovery typically begins within one million years or so of major mass extinctions, in contrast to current views on the end‐Permian extinction event which propose that the recovery of most if not all biotic groups in the Early Triassic was severely delayed and only began about five million years after the end‐Permian extinction.</jats:p> A New Genus of Rhynchonellid Brachiopod from the Lower Triassic of South China and Implications for Timing the Recovery of Brachiopoda After the End‐Permian Mass Extinction Palaeontology |
spellingShingle | Chen, Z.Q., Shi, G.R., Kaiho, K., Palaeontology, A New Genus of Rhynchonellid Brachiopod from the Lower Triassic of South China and Implications for Timing the Recovery of Brachiopoda After the End‐Permian Mass Extinction, Paleontology, Ecology, Evolution, Behavior and Systematics |
title | A New Genus of Rhynchonellid Brachiopod from the Lower Triassic of South China and Implications for Timing the Recovery of Brachiopoda After the End‐Permian Mass Extinction |
title_full | A New Genus of Rhynchonellid Brachiopod from the Lower Triassic of South China and Implications for Timing the Recovery of Brachiopoda After the End‐Permian Mass Extinction |
title_fullStr | A New Genus of Rhynchonellid Brachiopod from the Lower Triassic of South China and Implications for Timing the Recovery of Brachiopoda After the End‐Permian Mass Extinction |
title_full_unstemmed | A New Genus of Rhynchonellid Brachiopod from the Lower Triassic of South China and Implications for Timing the Recovery of Brachiopoda After the End‐Permian Mass Extinction |
title_short | A New Genus of Rhynchonellid Brachiopod from the Lower Triassic of South China and Implications for Timing the Recovery of Brachiopoda After the End‐Permian Mass Extinction |
title_sort | a new genus of rhynchonellid brachiopod from the lower triassic of south china and implications for timing the recovery of brachiopoda after the end‐permian mass extinction |
title_unstemmed | A New Genus of Rhynchonellid Brachiopod from the Lower Triassic of South China and Implications for Timing the Recovery of Brachiopoda After the End‐Permian Mass Extinction |
topic | Paleontology, Ecology, Evolution, Behavior and Systematics |
url | http://dx.doi.org/10.1111/1475-4983.00231 |