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A New Species of Protamphisopus Nicholls (Crustacea, Isopoda, Phreatoicidea) from Middle Triassic Luoping Fauna of Yunnan Province, China

Published online by Cambridge University Press:  20 May 2016

Wan-Lu Fu ,
George D. F. Wilson ,
Da-Yong Jiang ,
Yuan-Lin Sun ,
Wei-Cheng Hao  and
Zuo-Yu Sun
Wan-Lu Fu
Affiliation:
1Department of Geology and Geological Museum, Peking University, Beijing 100871, P. R. China, ∗∗∗
George D. F. Wilson
Affiliation:
2Australian Museum, Sydney NSW 2010,
Da-Yong Jiang
Affiliation:
1Department of Geology and Geological Museum, Peking University, Beijing 100871, P. R. China, ∗∗∗
Yuan-Lin Sun
Affiliation:
1Department of Geology and Geological Museum, Peking University, Beijing 100871, P. R. China, ∗∗∗
Wei-Cheng Hao
Affiliation:
1Department of Geology and Geological Museum, Peking University, Beijing 100871, P. R. China, ∗∗∗
Zuo-Yu Sun
Affiliation:
1Department of Geology and Geological Museum, Peking University, Beijing 100871, P. R. China, ∗∗∗
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Abstract

Fossil isopod crustaceans in the suborder Phreatoicidea have a known stratigraphic range from the Carboniferous to the Jurassic. Until now, all Mesozoic records of this group were thought to occur in fresh water habitats. A new phreatoicidean isopod fossil of the Triassic Luoping marine fauna, Yunnan Province, China, is described. The new species, based on several exceptionally complete specimens, is assigned to the genus Protamphisopus Nicholls and the family Amphisopidae Nicholls. This Chinese record is the first report of a Mesozoic-age phreatoicidean isopod outside of Gondwanan terranes, requiring a revision of known biogeographic patterns of the Phreatoicidea. Whether this record is from a marine habitat or is the result of a secondary deposition is not certain. Sottyella Racheboef, Schram and Vidal from the Carboniferous (Stephanian) Lagerstätte of Montceaules-Mines that was assigned to this suborder may be a decapod. Therefore, it has no relationship to this new species.

Type
Research Article
Information
Journal of Paleontology , Volume 84 , Issue 5 , September 2010 , pp. 1003 - 1013
Copyright
Copyright © The Paleontological Society 

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