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Ceratomyopsis
Classification
Phylum:
Mollusca
Class:
Bivalvia
Subclass:
Heterodonta
Order:
Veneroida
Superfamily:
Glossacea
Family:
Ceratomyopsidae
Formal Genus Name and Reference:
Ceratomyopsis COSSMANN, 1915, p. 7 [nom. subst. pro Ceromyopsis de Loriol, 1897 (non Meek, 1872)]
Type Species:
Ceromyopsis helveticus (sic) de Loriol, 1897, p. 80, SD ROLLIER, 1913, p. 269
Images
(Click to enlarge in a new window)
E137, 1. *C. helvetica (de Loriol), U.Jur.(U.Oxford.), Switz., 1a, b, lat. and dorsal views of int. molds showing impressions of ligamental grooves, X1 (de Loriol, 1897).
Synonyms
Geographic Distribution
Eu.-Asia-Afr.
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:
U.Jur.(Bajoc.-Kimmeridg.)
Ending International Stage:
Kimmeridgian
Fraction Up In Ending Stage:
100
Ending Date:
149.24
Description
Shell oval, with small posterior lobe separated from main part of flank by sulcus, ornament of concentric or oblique undulations of small amplitude; other characters as defined for family.
References
Museum or Author Information
Classification
Phylum:
Mollusca
Class:
Bivalvia
Subclass:
Heterodonta
Order:
Veneroida
Superfamily:
Glossacea
Family:
Ceratomyopsidae
Formal Genus Name and Reference:
Ceratomyopsis COSSMANN, 1915, p. 7 [nom. subst. pro Ceromyopsis de Loriol, 1897 (non Meek, 1872)]
Type Species:
Ceromyopsis helveticus (sic) de Loriol, 1897, p. 80, SD ROLLIER, 1913, p. 269
Images
(Click to enlarge in a new window)
E137, 1. *C. helvetica (de Loriol), U.Jur.(U.Oxford.), Switz., 1a, b, lat. and dorsal views of int. molds showing impressions of ligamental grooves, X1 (de Loriol, 1897).
Synonyms
Geographic Distribution
Eu.-Asia-Afr.
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:
U.Jur.(Bajoc.-Kimmeridg.)
Ending International Stage:
Kimmeridgian
Fraction Up In Ending Stage:
100
Ending Date:
149.24
Description
Shell oval, with small posterior lobe separated from main part of flank by sulcus, ornament of concentric or oblique undulations of small amplitude; other characters as defined for family.