The bipolar bivalve Oxytoma (Palmoxytoma) cygnipes (Young & Bird, 1822) in the Upper Pliensbachian of Germany
The morphologically conspicuous bivalve Oxytoma (Palmoxytoma) cygnipes (Young & Bird, 1822), known for its palaeogeographically bipolar distribution, from a limestone bed in the boundary "Belemniten-Schichten"/Amaltheenton formation, Lower Jurassic, in N Germany is described. The occur...
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2012
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Online Access: | https://resolver.sub.uni-goettingen.de/purl?gro-2/27083 https://resolver.sub.uni-goettingen.de/purl?gs-1/7383 https://doi.org/10.1007/s12542-011-0113-1 |
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ftsubgoettingen:oai:publications.goettingen-research-online.de:2/27083 2023-11-12T04:13:05+01:00 The bipolar bivalve Oxytoma (Palmoxytoma) cygnipes (Young & Bird, 1822) in the Upper Pliensbachian of Germany Arp, Gernot Seppelt, Stephan Arp, Gernot Seppelt, Stephan 2012 https://resolver.sub.uni-goettingen.de/purl?gro-2/27083 https://resolver.sub.uni-goettingen.de/purl?gs-1/7383 https://doi.org/10.1007/s12542-011-0113-1 unknown https://resolver.sub.uni-goettingen.de/purl?gro-2/27083 doi:10.1007/s12542-011-0113-1 000300779800004 https://resolver.sub.uni-goettingen.de/purl?gs-1/7383 info:eu-repo/semantics/openAccess Goescholar https://goescholar.uni-goettingen.de/licenses info:eu-repo/semantics/article journal_article yes published_version 2012 ftsubgoettingen https://doi.org/10.1007/s12542-011-0113-1 2023-10-29T23:12:13Z The morphologically conspicuous bivalve Oxytoma (Palmoxytoma) cygnipes (Young & Bird, 1822), known for its palaeogeographically bipolar distribution, from a limestone bed in the boundary "Belemniten-Schichten"/Amaltheenton formation, Lower Jurassic, in N Germany is described. The occurrence of this palaeoceanographically significant bivalve points to an influx of cool seawater from the Arctic to the North-German Basin at the base of the Upper Pliensbachian, just before the deposition of the Amaltheenton formation. A review of previously reported occurrences on the NW European Shelf indicates two distinct stratigraphic intervals of occurrence of this taxon: the Rhaetian-Hettangian boundary and the Upper Pliensbachian. Whereas the former interval of occurrence may be related to short-term cooling in the course of the end-Triassic extinction event, the latter is interpreted as reflecting the influx of a cool water current to the eastern part of the NW European Shelf, which continued southwards parallel to the coast of the Bohemian-Vindelician High. Article in Journal/Newspaper Arctic GRO.publications (Göttingen Research Online Publications - Göttingen University) Arctic Paläontologische Zeitschrift 86 1 43 57 |
institution |
Open Polar |
collection |
GRO.publications (Göttingen Research Online Publications - Göttingen University) |
op_collection_id |
ftsubgoettingen |
language |
unknown |
description |
The morphologically conspicuous bivalve Oxytoma (Palmoxytoma) cygnipes (Young & Bird, 1822), known for its palaeogeographically bipolar distribution, from a limestone bed in the boundary "Belemniten-Schichten"/Amaltheenton formation, Lower Jurassic, in N Germany is described. The occurrence of this palaeoceanographically significant bivalve points to an influx of cool seawater from the Arctic to the North-German Basin at the base of the Upper Pliensbachian, just before the deposition of the Amaltheenton formation. A review of previously reported occurrences on the NW European Shelf indicates two distinct stratigraphic intervals of occurrence of this taxon: the Rhaetian-Hettangian boundary and the Upper Pliensbachian. Whereas the former interval of occurrence may be related to short-term cooling in the course of the end-Triassic extinction event, the latter is interpreted as reflecting the influx of a cool water current to the eastern part of the NW European Shelf, which continued southwards parallel to the coast of the Bohemian-Vindelician High. |
author2 |
Arp, Gernot Seppelt, Stephan |
format |
Article in Journal/Newspaper |
author |
Arp, Gernot Seppelt, Stephan |
spellingShingle |
Arp, Gernot Seppelt, Stephan The bipolar bivalve Oxytoma (Palmoxytoma) cygnipes (Young & Bird, 1822) in the Upper Pliensbachian of Germany |
author_facet |
Arp, Gernot Seppelt, Stephan |
author_sort |
Arp, Gernot |
title |
The bipolar bivalve Oxytoma (Palmoxytoma) cygnipes (Young & Bird, 1822) in the Upper Pliensbachian of Germany |
title_short |
The bipolar bivalve Oxytoma (Palmoxytoma) cygnipes (Young & Bird, 1822) in the Upper Pliensbachian of Germany |
title_full |
The bipolar bivalve Oxytoma (Palmoxytoma) cygnipes (Young & Bird, 1822) in the Upper Pliensbachian of Germany |
title_fullStr |
The bipolar bivalve Oxytoma (Palmoxytoma) cygnipes (Young & Bird, 1822) in the Upper Pliensbachian of Germany |
title_full_unstemmed |
The bipolar bivalve Oxytoma (Palmoxytoma) cygnipes (Young & Bird, 1822) in the Upper Pliensbachian of Germany |
title_sort |
bipolar bivalve oxytoma (palmoxytoma) cygnipes (young & bird, 1822) in the upper pliensbachian of germany |
publishDate |
2012 |
url |
https://resolver.sub.uni-goettingen.de/purl?gro-2/27083 https://resolver.sub.uni-goettingen.de/purl?gs-1/7383 https://doi.org/10.1007/s12542-011-0113-1 |
geographic |
Arctic |
geographic_facet |
Arctic |
genre |
Arctic |
genre_facet |
Arctic |
op_relation |
https://resolver.sub.uni-goettingen.de/purl?gro-2/27083 doi:10.1007/s12542-011-0113-1 000300779800004 https://resolver.sub.uni-goettingen.de/purl?gs-1/7383 |
op_rights |
info:eu-repo/semantics/openAccess Goescholar https://goescholar.uni-goettingen.de/licenses |
op_doi |
https://doi.org/10.1007/s12542-011-0113-1 |
container_title |
Paläontologische Zeitschrift |
container_volume |
86 |
container_issue |
1 |
container_start_page |
43 |
op_container_end_page |
57 |
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1782331261033906176 |