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Pseudopeltoceras
Classification
Phylum:
Mollusca
Class:
Cephalopoda
Subclass:
Ammonoidea
Order:
Ceratitida
Suborder:
Ammonitina
Superfamily:
Perisphinctaceae
Family:
Aspidoceratidae
Subfamily:
Peltoceratina
Formal Genus Name and Reference:
Pseudopeltoceras SPATH, 1928
Type Species:
Am. chauvinianus D'ORBIGNY, 1847
Images
(Click to enlarge in a new window)
Fig. 440,1. *. chauvinianum (Оrв.), Fr.; 1a,b, X0.3 (330*)"
Synonyms
Geographic Distribution
Eu.-TransCaspia-Cutch-Japan
Age Range
Beginning Stage in Treatise Usage:
M.jur.(U.Callov.)
Beginning International Stage:
Callovian
Fraction Up In Beginning Stage:
70
Beginning Date:
162.66
Ending Stage in Treatise Usage:
M.jur.(U.Callov.)
Ending International Stage:
Callovian
Fraction Up In Ending Stage:
100
Ending Date:
161.53
Description
Morphologically intermediate between large Pseudoperisphinctinae (Subgrossouvria) and Peltoceras, Strong perisphinctoid ribbing persists on the large outer whorls but develops outer lateral tubercles.
References
Museum or Author Information
Classification
Phylum:
Mollusca
Class:
Cephalopoda
Subclass:
Ammonoidea
Order:
Ceratitida
Suborder:
Ammonitina
Superfamily:
Perisphinctaceae
Family:
Aspidoceratidae
Subfamily:
Peltoceratina
Formal Genus Name and Reference:
Pseudopeltoceras SPATH, 1928
Type Species:
Am. chauvinianus D'ORBIGNY, 1847
Images
(Click to enlarge in a new window)
Fig. 440,1. *. chauvinianum (Оrв.), Fr.; 1a,b, X0.3 (330*)"
Synonyms
Geographic Distribution
Eu.-TransCaspia-Cutch-Japan
Age Range
Beginning Stage in Treatise Usage:
M.jur.(U.Callov.)
Beginning International Stage:
Callovian
Fraction Up In Beginning Stage:
70
Beginning Date:
162.66
Ending Stage in Treatise Usage:
M.jur.(U.Callov.)
Ending International Stage:
Callovian
Fraction Up In Ending Stage:
100
Ending Date:
161.53
Description
Morphologically intermediate between large Pseudoperisphinctinae (Subgrossouvria) and Peltoceras, Strong perisphinctoid ribbing persists on the large outer whorls but develops outer lateral tubercles.