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Inoceramus
Classification
Phylum:
Mollusca
Class:
Bivalvia
Subclass:
Pteriomorphia
Order:
Pterioida
Suborder:
Pteriina
Superfamily:
Pteriacea
Family:
Inoceramidae
Formal Genus Name and Reference:
Inoceramus J. SOWERBY, 1814, p. 448
Type Species:
I. cuvierii, M, confirmed by ICZN (Opinion 473, 1957)
Images
(Click to enlarge in a new window)
Synonyms
Geographic Distribution
cosmop.
Age Range
Beginning Stage in Treatise Usage:
L.Jur.(Lias.)
Beginning International Stage:
Hettangian
Fraction Up In Beginning Stage:
0
Beginning Date:
201.36
Ending Stage in Treatise Usage:
U.Cret.
Ending International Stage:
Maastrichtian
Fraction Up In Ending Stage:
100
Ending Date:
66.04
Description
Subequivalve to strongly inequivalve, ovate, trapeziform or suborbicular, posterior wing variably developed, ligamental area concave transversely, no radial ornament except in I. (Birostrina), outer ostracum very thick in some species
References
Museum or Author Information
Classification
Phylum:
Mollusca
Class:
Bivalvia
Subclass:
Pteriomorphia
Order:
Pterioida
Suborder:
Pteriina
Superfamily:
Pteriacea
Family:
Inoceramidae
Formal Genus Name and Reference:
Inoceramus J. SOWERBY, 1814, p. 448
Type Species:
I. cuvierii, M, confirmed by ICZN (Opinion 473, 1957)
Images
(Click to enlarge in a new window)Synonyms
Geographic Distribution
cosmop.
Age Range
Beginning Stage in Treatise Usage:
L.Jur.(Lias.)
Beginning International Stage:
Hettangian
Fraction Up In Beginning Stage:
0
Beginning Date:
201.36
Ending Stage in Treatise Usage:
U.Cret.
Ending International Stage:
Maastrichtian
Fraction Up In Ending Stage:
100
Ending Date:
66.04
Description
Subequivalve to strongly inequivalve, ovate, trapeziform or suborbicular, posterior wing variably developed, ligamental area concave transversely, no radial ornament except in I. (Birostrina), outer ostracum very thick in some species