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Acyrena
Classification
Phylum:
Mollusca
Class:
Bivalvia
Subclass:
Heterodonta
Order:
Veneroida
Superfamily:
Corbiculacea
Family:
Corbiculidae (basket clams)
Formal Genus Name and Reference:
Acyrena LEBEDEV, 1958
Type Species:
A. jenissijensis, OD?
Images
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Synonyms
Geographic Distribution
USSR(W.Sib.)
Age Range
Beginning Stage in Treatise Usage:
M.Jur.
Beginning International Stage:
Aalenian
Fraction Up In Beginning Stage:
0
Beginning Date:
174.7
Ending Stage in Treatise Usage:
M.Jur.
Ending International Stage:
Callovian
Fraction Up In Ending Stage:
100
Ending Date:
161.53
Description
M.Jur., USSR(W.Sib.)
References
Museum or Author Information
Classification
Phylum:
Mollusca
Class:
Bivalvia
Subclass:
Heterodonta
Order:
Veneroida
Superfamily:
Corbiculacea
Family:
Corbiculidae (basket clams)
Formal Genus Name and Reference:
Acyrena LEBEDEV, 1958
Type Species:
A. jenissijensis, OD?
Images
(Click to enlarge in a new window)Synonyms
Geographic Distribution
USSR(W.Sib.)
Age Range
Beginning Stage in Treatise Usage:
M.Jur.
Beginning International Stage:
Aalenian
Fraction Up In Beginning Stage:
0
Beginning Date:
174.7
Ending Stage in Treatise Usage:
M.Jur.
Ending International Stage:
Callovian
Fraction Up In Ending Stage:
100
Ending Date:
161.53
Description
M.Jur., USSR(W.Sib.)