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Chamberlainia
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:
Chamberlainia SIMPSON, 1900
Type Species:
Unio hainesianus LEA, 1856, OD
Images
(Click to enlarge in a new window)
Fig. D20,5. *C. hainesiana (Lea), 5 a-d, LV ext., RV int., LV int., both valves dorsal, X0.3 (Haas)
Synonyms
Geographic Distribution
SE.Asia
Age Range
Beginning Stage in Treatise Usage:
Rec.
Beginning International Stage:
Greenlandian
Fraction Up In Beginning Stage:
0
Beginning Date:
0.01
Ending Stage in Treatise Usage:
Rec.
Ending International Stage:
Meghalayan
Fraction Up In Ending Stage:
100
Ending Date:
0
Description
Large, very massive in front, less so behind, round obovate, with low posterior slope winged in young shells, beaks low but full, periostracum yellowish green in young, blackish brown in old shells, rayed
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:
Chamberlainia SIMPSON, 1900
Type Species:
Unio hainesianus LEA, 1856, OD
Images
(Click to enlarge in a new window)
Fig. D20,5. *C. hainesiana (Lea), 5 a-d, LV ext., RV int., LV int., both valves dorsal, X0.3 (Haas)
Synonyms
Geographic Distribution
SE.Asia
Age Range
Beginning Stage in Treatise Usage:
Rec.
Beginning International Stage:
Greenlandian
Fraction Up In Beginning Stage:
0
Beginning Date:
0.01
Ending Stage in Treatise Usage:
Rec.
Ending International Stage:
Meghalayan
Fraction Up In Ending Stage:
100
Ending Date:
0
Description
Large, very massive in front, less so behind, round obovate, with low posterior slope winged in young shells, beaks low but full, periostracum yellowish green in young, blackish brown in old shells, rayed
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.