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Lamellidens
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:
Lamellidens SIMPSON, 1900
Type Species:
Unio marginalis LAMARCK, 1819, OD
Images
(Click to enlarge in a new window)
Fig. D24,4. *L. marginalis (Lamarck), Rec., 4a,b, LV ext., both valves dorsal, X0.8 (497).
Synonyms
Geographic Distribution
E.Indies
Age Range
Beginning Stage in Treatise Usage:
Mio.
Beginning International Stage:
Aquitanian
Fraction Up In Beginning Stage:
0
Beginning Date:
23.04
Ending Stage in Treatise Usage:
Rec.
Ending International Stage:
Meghalayan
Fraction Up In Ending Stage:
100
Ending Date:
0
Description
Elongate, elliptical, pointed behind, beaks with curved radiating ridges which may be zigzag-shaped and concentric, reaching about halfway from beaks, and fading out gradually, periostracum smooth, shiny, dark, almost rayless, cardinals compressed, elongated, lamellar teeth long
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:
Lamellidens SIMPSON, 1900
Type Species:
Unio marginalis LAMARCK, 1819, OD
Images
(Click to enlarge in a new window)
Fig. D24,4. *L. marginalis (Lamarck), Rec., 4a,b, LV ext., both valves dorsal, X0.8 (497).
Synonyms
Geographic Distribution
E.Indies
Age Range
Beginning Stage in Treatise Usage:
Mio.
Beginning International Stage:
Aquitanian
Fraction Up In Beginning Stage:
0
Beginning Date:
23.04
Ending Stage in Treatise Usage:
Rec.
Ending International Stage:
Meghalayan
Fraction Up In Ending Stage:
100
Ending Date:
0
Description
Elongate, elliptical, pointed behind, beaks with curved radiating ridges which may be zigzag-shaped and concentric, reaching about halfway from beaks, and fading out gradually, periostracum smooth, shiny, dark, almost rayless, cardinals compressed, elongated, lamellar teeth long
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.