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Kumatostephanus
Classification
Phylum:
Mollusca
Class:
Cephalopoda
Subclass:
Ammonoidea
Order:
Ceratitida
Suborder:
Ammonitina
Superfamily:
Steogabicerataceae
Family:
Stephanoceratidae
Formal Genus Name and Reference:
Kumatostephanus BUCKMAN, 1922
Type Species:
K. kumaterus
Images
(Click to enlarge in a new window)
Fig. 342,2. *K. kumaterus, Eng., x0.2 (65*).
Synonyms
Gibbistephanus
Geographic Distribution
Eu.
Age Range
Beginning Stage in Treatise Usage:
M.Baj.(sowerbyi z.)
Beginning International Stage:
Bajocian
Fraction Up In Beginning Stage:
33
Beginning Date:
170
Ending Stage in Treatise Usage:
M.Baj.(sowerbyi z.)
Ending International Stage:
Bajocian
Fraction Up In Ending Stage:
66
Ending Date:
169.1
Description
Early nontuberculate forms of perisphinctoid appearance
References
Museum or Author Information
Classification
Phylum:
Mollusca
Class:
Cephalopoda
Subclass:
Ammonoidea
Order:
Ceratitida
Suborder:
Ammonitina
Superfamily:
Steogabicerataceae
Family:
Stephanoceratidae
Formal Genus Name and Reference:
Kumatostephanus BUCKMAN, 1922
Type Species:
K. kumaterus
Images
(Click to enlarge in a new window)
Fig. 342,2. *K. kumaterus, Eng., x0.2 (65*).
Synonyms
Gibbistephanus
Geographic Distribution
Eu.
Age Range
Beginning Stage in Treatise Usage:
M.Baj.(sowerbyi z.)
Beginning International Stage:
Bajocian
Fraction Up In Beginning Stage:
33
Beginning Date:
170
Ending Stage in Treatise Usage:
M.Baj.(sowerbyi z.)
Ending International Stage:
Bajocian
Fraction Up In Ending Stage:
66
Ending Date:
169.1
Description
Early nontuberculate forms of perisphinctoid appearance