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Pitar
Classification
Phylum:
Mollusca
Class:
Bivalvia
Subclass:
Heterodonta
Order:
Veneroida
Superfamily:
Veneracea (Venus clams)
Family:
Veneridae
Subfamily:
Pitarinae
Formal Genus Name and Reference:
Pitar ROMER, 1857
Type Species:
Venus tumens GMELIN, 1791; M] [=Caryatis ROMER, 1862 (non HUBNER, 1816); Pitaria DALL, 1902 (nom. van.)
Images
(Click to enlarge in a new window)
Synonyms
Geographic Distribution
cosmop.
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:
Rec.
Ending International Stage:
Meghalayan
Fraction Up In Ending Stage:
100
Ending Date:
0
Description
Oval or subtrigonal, smooth or finely concentrically lamellate; lunule superficial, escutcheon not de- fined; hinge with 2b triangular, joined to a thin 2a, 3a and I separate.
References
Museum or Author Information
Classification
Phylum:
Mollusca
Class:
Bivalvia
Subclass:
Heterodonta
Order:
Veneroida
Superfamily:
Veneracea (Venus clams)
Family:
Veneridae
Subfamily:
Pitarinae
Formal Genus Name and Reference:
Pitar ROMER, 1857
Type Species:
Venus tumens GMELIN, 1791; M] [=Caryatis ROMER, 1862 (non HUBNER, 1816); Pitaria DALL, 1902 (nom. van.)
Images
(Click to enlarge in a new window)Synonyms
Geographic Distribution
cosmop.
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:
Rec.
Ending International Stage:
Meghalayan
Fraction Up In Ending Stage:
100
Ending Date:
0
Description
Oval or subtrigonal, smooth or finely concentrically lamellate; lunule superficial, escutcheon not de- fined; hinge with 2b triangular, joined to a thin 2a, 3a and I separate.