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First fossil sponge from Antarctica and its palaeobiogeographical significance

Vodrážka, Radek; Crame, J. Alistair. 2011 First fossil sponge from Antarctica and its palaeobiogeographical significance. Journal of Palaeontology, 85 (1). 48-57. 10.1666/10-069.1

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Abstract/Summary

Laocoetis piserai n. sp. (Hexactinellida, Porifera) from the mid-Cretaceous (i.e., Albian–Cenomanian) of James Ross Island is the first record of a fossil sponge from Antarctica. This new occurrence of a formerly widespread genus was restricted to relatively deep waters on the margins of an active volcanic arc. Its occurrence in Antarctica is further evidence that the genus Laocoetis underwent a dramatic reduction in its geographic range through the Cenozoic. The only living species of the genus at the present day is Laocoetis perion from Madagascar.

Item Type: Publication - Article
Digital Object Identifier (DOI): 10.1666/10-069.1
Programmes: BAS Programmes > Polar Science for Planet Earth (2009 - ) > Environmental Change and Evolution
ISSN: 0022-3360
NORA Subject Terms: Biology and Microbiology
Earth Sciences
Date made live: 13 May 2011 08:49
URI: http://nora.nerc.ac.uk/id/eprint/13027

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