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Anderssonoceras
Classification
Phylum:
Mollusca
Class:
Cephalopoda
Order:
Ceratitida
Superfamily:
Otocerataceae
Family:
Otoceratidae
Formal Genus Name and Reference:
Anderssonoceras GRABAU, 1924
Type Species:
Glyphioceras (Anderssonoceras) anfuense
Images
(Click to enlarge in a new window)
Fig. 162,8. *A. anfuense (629*)
Synonyms
Geographic Distribution
China
Age Range
Beginning Stage in Treatise Usage:
U.Perm.
Beginning International Stage:
Wuchiapingian
Fraction Up In Beginning Stage:
0
Beginning Date:
259.55
Ending Stage in Treatise Usage:
U.Perm.
Ending International Stage:
Changhsingian
Fraction Up In Ending Stage:
100
Ending Date:
251.9
Description
Small smooth like Prototoceras, with flared umbilical shoulders, venter low, arched, with low median keel, ventral shoulders angular. Suture goniatitic with narrow lobes
References
Museum or Author Information
Classification
Phylum:
Mollusca
Class:
Cephalopoda
Order:
Ceratitida
Superfamily:
Otocerataceae
Family:
Otoceratidae
Formal Genus Name and Reference:
Anderssonoceras GRABAU, 1924
Type Species:
Glyphioceras (Anderssonoceras) anfuense
Images
(Click to enlarge in a new window)
Fig. 162,8. *A. anfuense (629*)
Synonyms
Geographic Distribution
China
Age Range
Beginning Stage in Treatise Usage:
U.Perm.
Beginning International Stage:
Wuchiapingian
Fraction Up In Beginning Stage:
0
Beginning Date:
259.55
Ending Stage in Treatise Usage:
U.Perm.
Ending International Stage:
Changhsingian
Fraction Up In Ending Stage:
100
Ending Date:
251.9
Description
Small smooth like Prototoceras, with flared umbilical shoulders, venter low, arched, with low median keel, ventral shoulders angular. Suture goniatitic with narrow lobes