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Granocardium
Classification
Phylum:
Mollusca
Class:
Bivalvia
Subclass:
Heterodonta
Order:
Veneroida
Superfamily:
Cardiacea
Family:
Cardiidae (cockles)
Subfamily:
Cardiinae
Formal Genus Name and Reference:
Granocardium GABB, 1869
Type Species:
Cardium carolinum d'Orbigny, 1844, SD STEWART, 1930
Images
(Click to enlarge in a new window)
Fig. E84,11. *G. (G.) carolinum (d'Orbigny), U.Cret., France, LV ext., X1 (Orbigny).
Synonyms
Geographic Distribution
N.Am.-S.Am.-Afr.-Eu.-Asia-N.Z.
Age Range
Beginning Stage in Treatise Usage:
L.Cret.
Beginning International Stage:
Berriasian
Fraction Up In Beginning Stage:
0
Beginning Date:
143.1
Ending Stage in Treatise Usage:
U.Cret.
Ending International Stage:
Maastrichtian
Fraction Up In Ending Stage:
100
Ending Date:
66.04
Description
Smoothribbed to spinose, with 1 to 3 intercalary ribs between primaries or with internal pits in intercostal spaces
References
Museum or Author Information
Classification
Phylum:
Mollusca
Class:
Bivalvia
Subclass:
Heterodonta
Order:
Veneroida
Superfamily:
Cardiacea
Family:
Cardiidae (cockles)
Subfamily:
Cardiinae
Formal Genus Name and Reference:
Granocardium GABB, 1869
Type Species:
Cardium carolinum d'Orbigny, 1844, SD STEWART, 1930
Images
(Click to enlarge in a new window)
Fig. E84,11. *G. (G.) carolinum (d'Orbigny), U.Cret., France, LV ext., X1 (Orbigny).
Synonyms
Geographic Distribution
N.Am.-S.Am.-Afr.-Eu.-Asia-N.Z.
Age Range
Beginning Stage in Treatise Usage:
L.Cret.
Beginning International Stage:
Berriasian
Fraction Up In Beginning Stage:
0
Beginning Date:
143.1
Ending Stage in Treatise Usage:
U.Cret.
Ending International Stage:
Maastrichtian
Fraction Up In Ending Stage:
100
Ending Date:
66.04
Description
Smoothribbed to spinose, with 1 to 3 intercalary ribs between primaries or with internal pits in intercostal spaces