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Redescription of Devonian and Carboniferous (Pennsylvanian) blastoids from western Yunnan, China

Published online by Cambridge University Press:  20 May 2016

Johnny A. Waters
Affiliation:
1Department of Geosciences, State University of West Georgia, Carrollton 30118
Liao Zhou-Ting
Affiliation:
2Nanjing Institute of Geology and Paleontology, Nanjing, PRC
Liu Lujun
Affiliation:
2Nanjing Institute of Geology and Paleontology, Nanjing, PRC
N. Gary Lane
Affiliation:
3Department of Geological Sciences, Indiana University, Bloomington 47405
Christopher G. Maples
Affiliation:
3Department of Geological Sciences, Indiana University, Bloomington 47405
Sara Marcus
Affiliation:
4Department of Geology, University of Kansas, Lawrence 66047

Abstract

Chen and Yao (1993) described diverse echinoderm communities from Ordovician through Upper Carboniferous rocks in western Yunnan, China—the first monographic treatment of Chinese echinoderms in almost 70 years. This paper is the first in a series of studies re-describing echinoderm taxa from these biogeographically important Paleozoic assemblages. Pentremites globosus Chen and Yao, 1993 is designated as the type species of Sinorbitremites, a new genus of orbitremitid blastoids. Pentremites ovatus Chen and Yao, 1993 is placed in synonymy with Sinorbitremites globosus (Chen and Yao, 1993). Cryptoschisma conicum has been reassigned to Breimeriblastus, a hyperoblastid blastoid.

Type
Research Article
Copyright
Copyright © The Paleontological Society 

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