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Venericardia
Classification
Phylum:
Mollusca
Class:
Bivalvia
Subclass:
Heterodonta
Order:
Veneroida
Superfamily:
Carditacea
Family:
Carditidae
Subfamily:
Venericardiinae
Formal Genus Name and Reference:
Venericardia LAMARCK, 1801
Type Species:
V. imbricata (=Venus imbricata Gmelin, 1791), SD SCHMIDT, 1818
Images
(Click to enlarge in a new window)
Fig. E55,4. *V . ( V . ) imbricata (GMELIN); M.Eoc. (Lutet.), France(Paris basin); 4a,b, LV ext., int., X0.8 (Deshayes, 1837)
Synonyms
Geographic Distribution
Eu.-Afr.-N.Am.
Age Range
Beginning Stage in Treatise Usage:
U.Cret.(Senon.), Paleoc
Beginning International Stage:
Coniacian
Fraction Up In Beginning Stage:
0
Beginning Date:
89.39
Ending Stage in Treatise Usage:
Eoc.
Ending International Stage:
Priabonian
Fraction Up In Ending Stage:
100
Ending Date:
33.9
Description
Rounded trigonal, inequilateral, thick-shelled, with numerous radial ribs evenly elevated at young stage but becoming flattened and enlarged in adults. Hinge with compressed 3a and 3b higher than long.
References
Museum or Author Information
Classification
Phylum:
Mollusca
Class:
Bivalvia
Subclass:
Heterodonta
Order:
Veneroida
Superfamily:
Carditacea
Family:
Carditidae
Subfamily:
Venericardiinae
Formal Genus Name and Reference:
Venericardia LAMARCK, 1801
Type Species:
V. imbricata (=Venus imbricata Gmelin, 1791), SD SCHMIDT, 1818
Images
(Click to enlarge in a new window)
Fig. E55,4. *V . ( V . ) imbricata (GMELIN); M.Eoc. (Lutet.), France(Paris basin); 4a,b, LV ext., int., X0.8 (Deshayes, 1837)
Synonyms
Geographic Distribution
Eu.-Afr.-N.Am.
Age Range
Beginning Stage in Treatise Usage:
U.Cret.(Senon.), Paleoc
Beginning International Stage:
Coniacian
Fraction Up In Beginning Stage:
0
Beginning Date:
89.39
Ending Stage in Treatise Usage:
Eoc.
Ending International Stage:
Priabonian
Fraction Up In Ending Stage:
100
Ending Date:
33.9
Description
Rounded trigonal, inequilateral, thick-shelled, with numerous radial ribs evenly elevated at young stage but becoming flattened and enlarged in adults. Hinge with compressed 3a and 3b higher than long.