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Semiornites
Classification
Phylum:
Mollusca
Class:
Cephalopoda
Order:
Ceratitida
Superfamily:
Ceratitaceae
Family:
Ceratitidae
Formal Genus Name and Reference:
Semiornites ARTHABER, 1912
Type Species:
Ceratites cordevolicus Mojsisovics, 1882, SD DIENER, 1915
Images
(Click to enlarge in a new window)
Fig. 184,5. *S. cordevolicus (Mojs.), Alps, 5a,b, X0.7 (293*)
Synonyms
Geographic Distribution
Alps-Balkan-Hima-laya
Age Range
Beginning Stage in Treatise Usage:
Anis.
Beginning International Stage:
Anisian
Fraction Up In Beginning Stage:
0
Beginning Date:
246.7
Ending Stage in Treatise Usage:
Anis.
Ending International Stage:
Anisian
Fraction Up In Ending Stage:
100
Ending Date:
241.46
Description
Involute, compressed platycone, with either no distinct ribbing or single row of tubercles, or with ribs bifurcating at umbilical edge
References
Museum or Author Information
Classification
Phylum:
Mollusca
Class:
Cephalopoda
Order:
Ceratitida
Superfamily:
Ceratitaceae
Family:
Ceratitidae
Formal Genus Name and Reference:
Semiornites ARTHABER, 1912
Type Species:
Ceratites cordevolicus Mojsisovics, 1882, SD DIENER, 1915
Images
(Click to enlarge in a new window)
Fig. 184,5. *S. cordevolicus (Mojs.), Alps, 5a,b, X0.7 (293*)
Synonyms
Geographic Distribution
Alps-Balkan-Hima-laya
Age Range
Beginning Stage in Treatise Usage:
Anis.
Beginning International Stage:
Anisian
Fraction Up In Beginning Stage:
0
Beginning Date:
246.7
Ending Stage in Treatise Usage:
Anis.
Ending International Stage:
Anisian
Fraction Up In Ending Stage:
100
Ending Date:
241.46
Description
Involute, compressed platycone, with either no distinct ribbing or single row of tubercles, or with ribs bifurcating at umbilical edge