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Beloceras
Classification
Phylum:
Mollusca
Class:
Cephalopoda
Order:
Agoniatitida
Superfamily:
Pharcicerataceae
Family:
Beloceratidae
Formal Genus Name and Reference:
Beloceras HYATT, 1884
Type Species:
Gon. sagittarius SANDB.S., 1851
Images
(Click to enlarge in a new window)
Fig. 35D. *B. sagittarium (Sandb.-S.), Ger., x1 (68)
Synonyms
Geographic Distribution
Eurasia, N.Afr., N.Y.
Age Range
Beginning Stage in Treatise Usage:
U.Dev.
Beginning International Stage:
Frasnian
Fraction Up In Beginning Stage:
0
Beginning Date:
378.9
Ending Stage in Treatise Usage:
U.Dev.
Ending International Stage:
Famennian
Fraction Up In Ending Stage:
100
Ending Date:
359.3
Description
Conch lenticular, umbilicus moderately small. Suture forms series of adventitious lobes within ventral lobe and series of auxiliaries
References
Museum or Author Information
Classification
Phylum:
Mollusca
Class:
Cephalopoda
Order:
Agoniatitida
Superfamily:
Pharcicerataceae
Family:
Beloceratidae
Formal Genus Name and Reference:
Beloceras HYATT, 1884
Type Species:
Gon. sagittarius SANDB.S., 1851
Images
(Click to enlarge in a new window)
Fig. 35D. *B. sagittarium (Sandb.-S.), Ger., x1 (68)
Synonyms
Geographic Distribution
Eurasia, N.Afr., N.Y.
Age Range
Beginning Stage in Treatise Usage:
U.Dev.
Beginning International Stage:
Frasnian
Fraction Up In Beginning Stage:
0
Beginning Date:
378.9
Ending Stage in Treatise Usage:
U.Dev.
Ending International Stage:
Famennian
Fraction Up In Ending Stage:
100
Ending Date:
359.3
Description
Conch lenticular, umbilicus moderately small. Suture forms series of adventitious lobes within ventral lobe and series of auxiliaries