Trajectories of Late Permian – Jurassic radiolarian extinction rates: no evidence for an end-Triassic mass extinction
The hypothesis that ocean acidification was a proximate trigger of the marine end-Triassic mass extinction rests on the assumption that taxa that strongly invest in the secretion of calcium-carbonate skeletons were significantly more affected by the crisis than other taxa. An argument against this h...
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ftleibnizopen:oai:oai.leibnizopen.de:N9E_fYoBNQPDO7WIl9xe 2023-10-09T21:54:47+02:00 Trajectories of Late Permian – Jurassic radiolarian extinction rates: no evidence for an end-Triassic mass extinction Kiessling, Wolfgang Danelian, Taniel 2011 https://repository.publisso.de/resource/frl:6408064 https://doi.org/10.1002/mmng.201000017 eng eng https://creativecommons.org/licenses/by/3.0/ Fossil record, 14(1):95-101 ocean acidification Triassic sampling standardization Radiolarians 2011 ftleibnizopen https://doi.org/10.1002/mmng.201000017 2023-09-10T23:10:01Z The hypothesis that ocean acidification was a proximate trigger of the marine end-Triassic mass extinction rests on the assumption that taxa that strongly invest in the secretion of calcium-carbonate skeletons were significantly more affected by the crisis than other taxa. An argument against this hypothesis is the great extinction toll of radiolarians that has been reported from work on local sections. Radiolarians have siliceous tests and thus should be less affected by ocean acidification. We compiled taxonomically vetted occurrences of late Permian and Mesozoic radiolarians and analyzed extinction dynamics of radiolarian genera. Although extinction rates were high at the end of the Triassic, there is no evidence for a mass extinction in radiolarians but rather significantly higher background extinction in the Triassic than in the Jurassic. Although the causes for this decline in background extinction levels remain unclear, the lack of a major evolutionary response to the end-Triassic event, gives support for the hypothesis that ocean acidification was involved in the dramatic extinctions of many calcifying taxa. Other/Unknown Material Ocean acidification LeibnizOpen (The Leibniz Association) Fossil Record 14 1 95 101 |
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Open Polar |
collection |
LeibnizOpen (The Leibniz Association) |
op_collection_id |
ftleibnizopen |
language |
English |
topic |
ocean acidification Triassic sampling standardization Radiolarians |
spellingShingle |
ocean acidification Triassic sampling standardization Radiolarians Kiessling, Wolfgang Danelian, Taniel Trajectories of Late Permian – Jurassic radiolarian extinction rates: no evidence for an end-Triassic mass extinction |
topic_facet |
ocean acidification Triassic sampling standardization Radiolarians |
description |
The hypothesis that ocean acidification was a proximate trigger of the marine end-Triassic mass extinction rests on the assumption that taxa that strongly invest in the secretion of calcium-carbonate skeletons were significantly more affected by the crisis than other taxa. An argument against this hypothesis is the great extinction toll of radiolarians that has been reported from work on local sections. Radiolarians have siliceous tests and thus should be less affected by ocean acidification. We compiled taxonomically vetted occurrences of late Permian and Mesozoic radiolarians and analyzed extinction dynamics of radiolarian genera. Although extinction rates were high at the end of the Triassic, there is no evidence for a mass extinction in radiolarians but rather significantly higher background extinction in the Triassic than in the Jurassic. Although the causes for this decline in background extinction levels remain unclear, the lack of a major evolutionary response to the end-Triassic event, gives support for the hypothesis that ocean acidification was involved in the dramatic extinctions of many calcifying taxa. |
author |
Kiessling, Wolfgang Danelian, Taniel |
author_facet |
Kiessling, Wolfgang Danelian, Taniel |
author_sort |
Kiessling, Wolfgang |
title |
Trajectories of Late Permian – Jurassic radiolarian extinction rates: no evidence for an end-Triassic mass extinction |
title_short |
Trajectories of Late Permian – Jurassic radiolarian extinction rates: no evidence for an end-Triassic mass extinction |
title_full |
Trajectories of Late Permian – Jurassic radiolarian extinction rates: no evidence for an end-Triassic mass extinction |
title_fullStr |
Trajectories of Late Permian – Jurassic radiolarian extinction rates: no evidence for an end-Triassic mass extinction |
title_full_unstemmed |
Trajectories of Late Permian – Jurassic radiolarian extinction rates: no evidence for an end-Triassic mass extinction |
title_sort |
trajectories of late permian – jurassic radiolarian extinction rates: no evidence for an end-triassic mass extinction |
publishDate |
2011 |
url |
https://repository.publisso.de/resource/frl:6408064 https://doi.org/10.1002/mmng.201000017 |
genre |
Ocean acidification |
genre_facet |
Ocean acidification |
op_source |
Fossil record, 14(1):95-101 |
op_rights |
https://creativecommons.org/licenses/by/3.0/ |
op_doi |
https://doi.org/10.1002/mmng.201000017 |
container_title |
Fossil Record |
container_volume |
14 |
container_issue |
1 |
container_start_page |
95 |
op_container_end_page |
101 |
_version_ |
1779318492069101568 |