Late Mesozoic bivalve biostratigraphy of the Antarctic Peninsula region
Two groups of bivalves, the inoceramids and buchiids, are particularly useful zone fossils in the Mesozoic sedimentary formations of the Antarctic Peninsula region. In the Upper Jurassic, species of the genera Retroceramus, Malayomaorica, Buchia and Anopaea can be traced considerable distances aroun...
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ftnerc:oai:nora.nerc.ac.uk:524332 2023-05-15T13:41:43+02:00 Late Mesozoic bivalve biostratigraphy of the Antarctic Peninsula region Crame, J.A. 1982-12 http://nora.nerc.ac.uk/id/eprint/524332/ https://doi.org/10.1144/gsjgs.139.6.0771 unknown GeoScience World Crame, J.A. orcid:0000-0002-5027-9965 . 1982 Late Mesozoic bivalve biostratigraphy of the Antarctic Peninsula region. Journal of the Geological Society, 139 (6). 771-778. https://doi.org/10.1144/gsjgs.139.6.0771 <https://doi.org/10.1144/gsjgs.139.6.0771> Publication - Article PeerReviewed 1982 ftnerc https://doi.org/10.1144/gsjgs.139.6.0771 2023-02-04T19:48:50Z Two groups of bivalves, the inoceramids and buchiids, are particularly useful zone fossils in the Mesozoic sedimentary formations of the Antarctic Peninsula region. In the Upper Jurassic, species of the genera Retroceramus, Malayomaorica, Buchia and Anopaea can be traced considerable distances around the margins of Gondwana, and as such are especially valuable for regional correlations. Some of them, such as the R. haasti-subhaasti group, can also be employed in detailed local correlations. In the Lower Cretaceous, the presence of cosmopolitan Inoceramus species, such as members of the neocomiensis, concentricus and anglicus groups, permits correlation with Northern Hemisphere faunas for the first time. Other stratigraphically important inoceramids are the I. ovatus group in the Lower Neocomian, the I. heteropterus group and Anopaea trapezoidalis in the Upper Neocomian and An. cf. mandibula in the Albian. The only buchiids present in the Lower Cretaceous of Antarctica belong to the extensive Aucellina andina-radiatostriata group. Two types of Antarctic Upper Cretaceous inoceramids that are particularly important for regional correlations are the Upper Cenomanian I. pictus group and the Turonian-Coniacian I. madagascariensis-ernsti group. Senonian inoceramids are still poorly known but would seem to offer considerable scope for further studies Article in Journal/Newspaper Antarc* Antarctic Antarctic Peninsula Antarctica Natural Environment Research Council: NERC Open Research Archive Antarctic The Antarctic Antarctic Peninsula Journal of the Geological Society 139 6 771 778 |
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Natural Environment Research Council: NERC Open Research Archive |
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ftnerc |
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description |
Two groups of bivalves, the inoceramids and buchiids, are particularly useful zone fossils in the Mesozoic sedimentary formations of the Antarctic Peninsula region. In the Upper Jurassic, species of the genera Retroceramus, Malayomaorica, Buchia and Anopaea can be traced considerable distances around the margins of Gondwana, and as such are especially valuable for regional correlations. Some of them, such as the R. haasti-subhaasti group, can also be employed in detailed local correlations. In the Lower Cretaceous, the presence of cosmopolitan Inoceramus species, such as members of the neocomiensis, concentricus and anglicus groups, permits correlation with Northern Hemisphere faunas for the first time. Other stratigraphically important inoceramids are the I. ovatus group in the Lower Neocomian, the I. heteropterus group and Anopaea trapezoidalis in the Upper Neocomian and An. cf. mandibula in the Albian. The only buchiids present in the Lower Cretaceous of Antarctica belong to the extensive Aucellina andina-radiatostriata group. Two types of Antarctic Upper Cretaceous inoceramids that are particularly important for regional correlations are the Upper Cenomanian I. pictus group and the Turonian-Coniacian I. madagascariensis-ernsti group. Senonian inoceramids are still poorly known but would seem to offer considerable scope for further studies |
format |
Article in Journal/Newspaper |
author |
Crame, J.A. |
spellingShingle |
Crame, J.A. Late Mesozoic bivalve biostratigraphy of the Antarctic Peninsula region |
author_facet |
Crame, J.A. |
author_sort |
Crame, J.A. |
title |
Late Mesozoic bivalve biostratigraphy of the Antarctic Peninsula region |
title_short |
Late Mesozoic bivalve biostratigraphy of the Antarctic Peninsula region |
title_full |
Late Mesozoic bivalve biostratigraphy of the Antarctic Peninsula region |
title_fullStr |
Late Mesozoic bivalve biostratigraphy of the Antarctic Peninsula region |
title_full_unstemmed |
Late Mesozoic bivalve biostratigraphy of the Antarctic Peninsula region |
title_sort |
late mesozoic bivalve biostratigraphy of the antarctic peninsula region |
publisher |
GeoScience World |
publishDate |
1982 |
url |
http://nora.nerc.ac.uk/id/eprint/524332/ https://doi.org/10.1144/gsjgs.139.6.0771 |
geographic |
Antarctic The Antarctic Antarctic Peninsula |
geographic_facet |
Antarctic The Antarctic Antarctic Peninsula |
genre |
Antarc* Antarctic Antarctic Peninsula Antarctica |
genre_facet |
Antarc* Antarctic Antarctic Peninsula Antarctica |
op_relation |
Crame, J.A. orcid:0000-0002-5027-9965 . 1982 Late Mesozoic bivalve biostratigraphy of the Antarctic Peninsula region. Journal of the Geological Society, 139 (6). 771-778. https://doi.org/10.1144/gsjgs.139.6.0771 <https://doi.org/10.1144/gsjgs.139.6.0771> |
op_doi |
https://doi.org/10.1144/gsjgs.139.6.0771 |
container_title |
Journal of the Geological Society |
container_volume |
139 |
container_issue |
6 |
container_start_page |
771 |
op_container_end_page |
778 |
_version_ |
1766155452634103808 |