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Cuneopsis
Classification
Phylum:
Mollusca
Class:
Bivalvia
Subclass:
Palaeoheterodonta
Order:
Unionoida (Freshwater mussels and relatives)
Superfamily:
Unionacea (freshwater mussels)
Family:
Unionidae
Subfamily:
Unioninae
Formal Genus Name and Reference:
Cuneopsis SIMPSON, 1900
Type Species:
Unio celtiformis HEUDE, 1874, OD
Images
(Click to enlarge in a new window)
Fig. D20,2. *C. celtiformis (Heude), Rec., 2a-d, RV ext., LV int., RV int., both valves dorsal, X0.6 (Haas).
Synonyms
Geographic Distribution
U.Mio.-Rec., E.Asia
Age Range
Beginning Stage in Treatise Usage:
U.Mio.
Beginning International Stage:
Tortonian
Fraction Up In Beginning Stage:
0
Beginning Date:
11.63
Ending Stage in Treatise Usage:
Rec.
Ending International Stage:
Meghalayan
Fraction Up In Ending Stage:
100
Ending Date:
0
Description
Heavy, elongate, wide in front, tapering to a point behind, commonly twisted on axis, beaks high, anterior, ornamented by radiating lines of nodules
References
Simpson, C. T., 1900, Synopsis of the najades or pearly freshwater mussels: U. S. Natl. Museum, Proc., v. 22, p. 501-1044, pl. 18.
Museum or Author Information
Classification
Phylum:
Mollusca
Class:
Bivalvia
Subclass:
Palaeoheterodonta
Order:
Unionoida (Freshwater mussels and relatives)
Superfamily:
Unionacea (freshwater mussels)
Family:
Unionidae
Subfamily:
Unioninae
Formal Genus Name and Reference:
Cuneopsis SIMPSON, 1900
Type Species:
Unio celtiformis HEUDE, 1874, OD
Images
(Click to enlarge in a new window)
Fig. D20,2. *C. celtiformis (Heude), Rec., 2a-d, RV ext., LV int., RV int., both valves dorsal, X0.6 (Haas).
Synonyms
Geographic Distribution
U.Mio.-Rec., E.Asia
Age Range
Beginning Stage in Treatise Usage:
U.Mio.
Beginning International Stage:
Tortonian
Fraction Up In Beginning Stage:
0
Beginning Date:
11.63
Ending Stage in Treatise Usage:
Rec.
Ending International Stage:
Meghalayan
Fraction Up In Ending Stage:
100
Ending Date:
0
Description
Heavy, elongate, wide in front, tapering to a point behind, commonly twisted on axis, beaks high, anterior, ornamented by radiating lines of nodules
References
Simpson, C. T., 1900, Synopsis of the najades or pearly freshwater mussels: U. S. Natl. Museum, Proc., v. 22, p. 501-1044, pl. 18.