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Cycloconcha
Classification
Phylum:
Mollusca
Class:
Bivalvia
Subclass:
Palaeoheterodonta
Order:
Modiomorphoida
Superfamily:
Cycloconchacea
Family:
Cycloconchidae
Formal Genus Name and Reference:
Cycloconcha S. A. MILLER, 1874
Type Species:
C. mediocardinalis, M
Images
(Click to enlarge in a new window)
Fig. D7,1. *C. mediocardinalis, U.Ord., la,b, LV ext., RV int., X1.25 (615)
Synonyms
Geographic Distribution
USA(Ohio)
Age Range
Beginning Stage in Treatise Usage:
M.Ord.
Beginning International Stage:
Dapingian
Fraction Up In Beginning Stage:
0
Beginning Date:
471.26
Ending Stage in Treatise Usage:
U.Ord.
Ending International Stage:
Hirnantian
Fraction Up In Ending Stage:
100
Ending Date:
443.07
Description
Subcircular, with 2 or 3 cardinal teeth near middle of hinge and well-differentiated, long, lateral tooth in front and behind beaks
References
Miller, S. A., 1874, Genus Anomalodonta: Cincinnati, Quart. Jour. Sci., v. 1, p. 16-18, text fig. 7-9.
Museum or Author Information
Classification
Phylum:
Mollusca
Class:
Bivalvia
Subclass:
Palaeoheterodonta
Order:
Modiomorphoida
Superfamily:
Cycloconchacea
Family:
Cycloconchidae
Formal Genus Name and Reference:
Cycloconcha S. A. MILLER, 1874
Type Species:
C. mediocardinalis, M
Images
(Click to enlarge in a new window)
Fig. D7,1. *C. mediocardinalis, U.Ord., la,b, LV ext., RV int., X1.25 (615)
Synonyms
Geographic Distribution
USA(Ohio)
Age Range
Beginning Stage in Treatise Usage:
M.Ord.
Beginning International Stage:
Dapingian
Fraction Up In Beginning Stage:
0
Beginning Date:
471.26
Ending Stage in Treatise Usage:
U.Ord.
Ending International Stage:
Hirnantian
Fraction Up In Ending Stage:
100
Ending Date:
443.07
Description
Subcircular, with 2 or 3 cardinal teeth near middle of hinge and well-differentiated, long, lateral tooth in front and behind beaks
References
Miller, S. A., 1874, Genus Anomalodonta: Cincinnati, Quart. Jour. Sci., v. 1, p. 16-18, text fig. 7-9.