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Blagraveia
Classification
Phylum:
Mollusca
Class:
Bivalvia
Subclass:
Heterodonta
Order:
Veneroida
Superfamily:
Glossacea
Family:
Glossidae
Formal Genus Name and Reference:
Blagraveia COX, 1933
Type Species:
B. corrugata, OD
Images
(Click to enlarge in a new window)
Fig. E134,2. *B. corrugata, M.Eoc., India, 2 a, b, RV ext., both valves dorsal, X1 (Cox, 1933).
Synonyms
Geographic Distribution
Asia
Age Range
Beginning Stage in Treatise Usage:
Eoc.
Beginning International Stage:
Ypresian
Fraction Up In Beginning Stage:
0
Beginning Date:
56
Ending Stage in Treatise Usage:
Eoc.
Ending International Stage:
Priabonian
Fraction Up In Ending Stage:
100
Ending Date:
33.9
Description
Trigonally ovate, inequilateral, shell thin, sculpture of concentric undulations, lunule deeply set, forming lamina within shell cavity, hinge with 2 cardinal teeth in either valve, no laterals, pallial line and muscle scar outlines not evident in type material
References
Cox, L. R., 1933, The evolutionary history of the rudists: Geologists' Assoc. London, Proc., v. 44, p. 379-388.
Museum or Author Information
Classification
Phylum:
Mollusca
Class:
Bivalvia
Subclass:
Heterodonta
Order:
Veneroida
Superfamily:
Glossacea
Family:
Glossidae
Formal Genus Name and Reference:
Blagraveia COX, 1933
Type Species:
B. corrugata, OD
Images
(Click to enlarge in a new window)
Fig. E134,2. *B. corrugata, M.Eoc., India, 2 a, b, RV ext., both valves dorsal, X1 (Cox, 1933).
Synonyms
Geographic Distribution
Asia
Age Range
Beginning Stage in Treatise Usage:
Eoc.
Beginning International Stage:
Ypresian
Fraction Up In Beginning Stage:
0
Beginning Date:
56
Ending Stage in Treatise Usage:
Eoc.
Ending International Stage:
Priabonian
Fraction Up In Ending Stage:
100
Ending Date:
33.9
Description
Trigonally ovate, inequilateral, shell thin, sculpture of concentric undulations, lunule deeply set, forming lamina within shell cavity, hinge with 2 cardinal teeth in either valve, no laterals, pallial line and muscle scar outlines not evident in type material
References
Cox, L. R., 1933, The evolutionary history of the rudists: Geologists' Assoc. London, Proc., v. 44, p. 379-388.