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Inversidens
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:
Inversidens HAAS, 1911
Type Species:
Unio brandti KOBELT, 1879, OD
Images
(Click to enlarge in a new window)
Fig. D23,4. *I. brandti (Kobelt), 4a-d, LV ext.int., RV int., both valves dorsal, X 1 (after Haas).
Synonyms
Geographic Distribution
Japan
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
Rounded elliptical, 2 cardinals and 1 posterior lamellar teeth on LV, 1 cardinal and 2 posterior lamellar teeth on RV
References
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:
Inversidens HAAS, 1911
Type Species:
Unio brandti KOBELT, 1879, OD
Images
(Click to enlarge in a new window)
Fig. D23,4. *I. brandti (Kobelt), 4a-d, LV ext.int., RV int., both valves dorsal, X 1 (after Haas).
Synonyms
Geographic Distribution
Japan
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
Rounded elliptical, 2 cardinals and 1 posterior lamellar teeth on LV, 1 cardinal and 2 posterior lamellar teeth on RV