author_facet Chen, Z.Q.
Shi, G.R.
Kaiho, K.
Chen, Z.Q.
Shi, G.R.
Kaiho, K.
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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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.
container_issue 1
container_start_page 149
container_title Palaeontology
container_volume 45
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