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Eligmus
Classification
Phylum:
Mollusca
Class:
Bivalvia
Subclass:
Pteriomorphia
Order:
Pterioida
Suborder:
Pteriina
Superfamily:
Pteriacea
Family:
Malleidae
Formal Genus Name and Reference:
Eligmus J. A. EUDES-DESLONGCHAMPS, 1856, p. 272
Type Species:
E. polytypus, SD TATE, 1868, p. 67
Images
(Click to enlarge in a new window)
Fig. C54,7. *E. polytypus, Bathon., France, 7a-c, LV ext., LV int., dorsal view, all X1 (Eudes-Deslongchamps, 1856).
Synonyms
Geographic Distribution
Jur. (Bathon.-Callov.), Eu.-Asia-N. Afr.-E. Afr.-Madag.
Age Range
Beginning Stage in Treatise Usage:
Jur.(Bathon.)
Beginning International Stage:
Bathonian
Fraction Up In Beginning Stage:
0
Beginning Date:
168.17
Ending Stage in Treatise Usage:
Jur.(Callov.)
Ending International Stage:
Callovian
Fraction Up In Ending Stage:
100
Ending Date:
161.53
Description
Subequivalve, more or less ovate, compressed to moderately inflated, radially costate to varying extent, gaping posterodorsally where margins may also be notched, prominent myophorous platform present on interior of each valve close to ligamental area
References
Museum or Author Information
Classification
Phylum:
Mollusca
Class:
Bivalvia
Subclass:
Pteriomorphia
Order:
Pterioida
Suborder:
Pteriina
Superfamily:
Pteriacea
Family:
Malleidae
Formal Genus Name and Reference:
Eligmus J. A. EUDES-DESLONGCHAMPS, 1856, p. 272
Type Species:
E. polytypus, SD TATE, 1868, p. 67
Images
(Click to enlarge in a new window)
Fig. C54,7. *E. polytypus, Bathon., France, 7a-c, LV ext., LV int., dorsal view, all X1 (Eudes-Deslongchamps, 1856).
Synonyms
Geographic Distribution
Jur. (Bathon.-Callov.), Eu.-Asia-N. Afr.-E. Afr.-Madag.
Age Range
Beginning Stage in Treatise Usage:
Jur.(Bathon.)
Beginning International Stage:
Bathonian
Fraction Up In Beginning Stage:
0
Beginning Date:
168.17
Ending Stage in Treatise Usage:
Jur.(Callov.)
Ending International Stage:
Callovian
Fraction Up In Ending Stage:
100
Ending Date:
161.53
Description
Subequivalve, more or less ovate, compressed to moderately inflated, radially costate to varying extent, gaping posterodorsally where margins may also be notched, prominent myophorous platform present on interior of each valve close to ligamental area