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Anodonta
Classification
Phylum:
Mollusca
Class:
Bivalvia
Subclass:
Palaeoheterodonta
Order:
Unionoida (Freshwater mussels and relatives)
Superfamily:
Unionacea (freshwater mussels)
Family:
Unionidae
Subfamily:
Anodontinae
Formal Genus Name and Reference:
Anodonta LAMARCK, 1799
Type Species:
Mytilus cygneus LINNE, 1758, nom. conserv.
Images
(Click to enlarge in a new window)
Fig. D38,3. *A. (A.) cygnea (LINNE), Rec.; LV ext., XO.25 (497)
Synonyms
Glochidium, Anodontigenus, Cista, Anodon, Anodontes, Edentula, Lipodonta, Anodonte, Onodon, Anodontina, Colletoperum, Pteranodon, Euanodonta, Nayadina, Anodota, Collopterum, Ettphrata
Geographic Distribution
worldwide in northern hemisphere
Age Range
Beginning Stage in Treatise Usage:
U.Cret.
Beginning International Stage:
Cenomanian
Fraction Up In Beginning Stage:
0
Beginning Date:
100.5
Ending Stage in Treatise Usage:
Recent
Ending International Stage:
Meghalayan
Fraction Up In Ending Stage:
100
Ending Date:
0
Description
Irregularly elliptical, thin, flattened to inflated, uncommonly winged slightly behind; beak sculpture consisting of parallel ridges, usually doubly looped, becoming slightly nodulose on loops; surface smooth, perio- stracum lustrous; hinge reduced to thin margins of shell, curved, but some in lacustrine habitats with traces of claustra; accompanied by symphynoty of posterior wing (Colletopt~um phase).
References
Simpson, C. T., 1898, [no title] in F. C. Baker, The Mollusca of the Chicago area. The Pelecypoda, Chicago Acad. Sci. Bull., v. 3, pt. 1, p. 1130, pl. 1-27.
Museum or Author Information
Classification
Phylum:
Mollusca
Class:
Bivalvia
Subclass:
Palaeoheterodonta
Order:
Unionoida (Freshwater mussels and relatives)
Superfamily:
Unionacea (freshwater mussels)
Family:
Unionidae
Subfamily:
Anodontinae
Formal Genus Name and Reference:
Anodonta LAMARCK, 1799
Type Species:
Mytilus cygneus LINNE, 1758, nom. conserv.
Images
(Click to enlarge in a new window)
Fig. D38,3. *A. (A.) cygnea (LINNE), Rec.; LV ext., XO.25 (497)
Synonyms
Glochidium, Anodontigenus, Cista, Anodon, Anodontes, Edentula, Lipodonta, Anodonte, Onodon, Anodontina, Colletoperum, Pteranodon, Euanodonta, Nayadina, Anodota, Collopterum, Ettphrata
Geographic Distribution
worldwide in northern hemisphere
Age Range
Beginning Stage in Treatise Usage:
U.Cret.
Beginning International Stage:
Cenomanian
Fraction Up In Beginning Stage:
0
Beginning Date:
100.5
Ending Stage in Treatise Usage:
Recent
Ending International Stage:
Meghalayan
Fraction Up In Ending Stage:
100
Ending Date:
0
Description
Irregularly elliptical, thin, flattened to inflated, uncommonly winged slightly behind; beak sculpture consisting of parallel ridges, usually doubly looped, becoming slightly nodulose on loops; surface smooth, perio- stracum lustrous; hinge reduced to thin margins of shell, curved, but some in lacustrine habitats with traces of claustra; accompanied by symphynoty of posterior wing (Colletopt~um phase).
References
Simpson, C. T., 1898, [no title] in F. C. Baker, The Mollusca of the Chicago area. The Pelecypoda, Chicago Acad. Sci. Bull., v. 3, pt. 1, p. 1130, pl. 1-27.