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Platyspirifer
Classification
Phylum:
Brachiopoda
Class:
Rhynchonellata
Order:
Spiriferida
Superfamily:
Cyrtospiriferoidea
Family:
Cyrtospiriferidae
Formal Genus Name and Reference:
Platyspirifer GRABAU, 1931b, p. 355
Type Species:
Schizophoria paronai MARTELLI, 1902, p. 365, OD
Images
(Click to enlarge in a new window)
Fig. 1136, 1a-e. *P. paronai (Martelli), China, ventral, dorsal, side, posterior, and anterior views, X1 (new).
Synonyms
Geographic Distribution
Afghanistan, China
Age Range
Beginning Stage in Treatise Usage:
Upper Devonian (Famennian)
Beginning International Stage:
Famennian
Fraction Up In Beginning Stage:
0
Beginning Date:
371.1
Ending Stage in Treatise Usage:
Upper Devonian (Famennian)
Ending International Stage:
Famennian
Fraction Up In Ending Stage:
100
Ending Date:
359.3
Description
Small to medium size, biconvex, transversely oval or equidimensional, with rounded, obtuse cardinal angles, ventral interarea low, curved, apsacline, fold low, sulcus poorly defined, costae of fold-sulcus increasing by implantation, flanks with simple rounded costae, surface capillate, dental plates thickened, ctenophoridium elevated
References
Museum or Author Information
Classification
Phylum:
Brachiopoda
Class:
Rhynchonellata
Order:
Spiriferida
Superfamily:
Cyrtospiriferoidea
Family:
Cyrtospiriferidae
Formal Genus Name and Reference:
Platyspirifer GRABAU, 1931b, p. 355
Type Species:
Schizophoria paronai MARTELLI, 1902, p. 365, OD
Images
(Click to enlarge in a new window)
Fig. 1136, 1a-e. *P. paronai (Martelli), China, ventral, dorsal, side, posterior, and anterior views, X1 (new).
Synonyms
Geographic Distribution
Afghanistan, China
Age Range
Beginning Stage in Treatise Usage:
Upper Devonian (Famennian)
Beginning International Stage:
Famennian
Fraction Up In Beginning Stage:
0
Beginning Date:
371.1
Ending Stage in Treatise Usage:
Upper Devonian (Famennian)
Ending International Stage:
Famennian
Fraction Up In Ending Stage:
100
Ending Date:
359.3
Description
Small to medium size, biconvex, transversely oval or equidimensional, with rounded, obtuse cardinal angles, ventral interarea low, curved, apsacline, fold low, sulcus poorly defined, costae of fold-sulcus increasing by implantation, flanks with simple rounded costae, surface capillate, dental plates thickened, ctenophoridium elevated