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Cadomites
Classification
Phylum:
Mollusca
Class:
Cephalopoda
Subclass:
Ammonoidea
Order:
Ceratitida
Suborder:
Ammonitina
Superfamily:
Steogabicerataceae
Family:
Stephanoceratidae
Formal Genus Name and Reference:
Cadomites MUNIER-CHALMAS, 1892
Type Species:
*Am. deslongchampsi Defrance in D'ORBIGNY, 1846 (ICZN Opinion 324)
Images
(Click to enlarge in a new window)
Fig. 342,8. °C. des/ongchampsi (ORB.), U.Baj., Fr.; 8a,b, lecto- type, XO.7 (675°)
Synonyms
Polystephanus, Stegeostephanus, Deslongchampsia
Geographic Distribution
Eu.-N.Afr.-S.Alaska
Age Range
Beginning Stage in Treatise Usage:
U.Baj.
Beginning International Stage:
Bajocian
Fraction Up In Beginning Stage:
45
Beginning Date:
169.67
Ending Stage in Treatise Usage:
Bath, ?L. Callov,
Ending International Stage:
Callovian
Fraction Up In Ending Stage:
50
Ending Date:
163.41
Description
Direct derivatives of Stephanoceras, with similar collared and lipped peristome but denser, finer, sharper ribbing.
References
Munier-Chalmas, E. C. P. A., 1892, Sur la possibilité d'admettre un dimorphisme sexuel chez les Ammonitidés: Soc. géol. France, Comptes rendus, sér. 3, tome 20, p. 170-174 (clxx-clxxiv).
Museum or Author Information
Classification
Phylum:
Mollusca
Class:
Cephalopoda
Subclass:
Ammonoidea
Order:
Ceratitida
Suborder:
Ammonitina
Superfamily:
Steogabicerataceae
Family:
Stephanoceratidae
Formal Genus Name and Reference:
Cadomites MUNIER-CHALMAS, 1892
Type Species:
*Am. deslongchampsi Defrance in D'ORBIGNY, 1846 (ICZN Opinion 324)
Images
(Click to enlarge in a new window)
Fig. 342,8. °C. des/ongchampsi (ORB.), U.Baj., Fr.; 8a,b, lecto- type, XO.7 (675°)
Synonyms
Polystephanus, Stegeostephanus, Deslongchampsia
Geographic Distribution
Eu.-N.Afr.-S.Alaska
Age Range
Beginning Stage in Treatise Usage:
U.Baj.
Beginning International Stage:
Bajocian
Fraction Up In Beginning Stage:
45
Beginning Date:
169.67
Ending Stage in Treatise Usage:
Bath, ?L. Callov,
Ending International Stage:
Callovian
Fraction Up In Ending Stage:
50
Ending Date:
163.41
Description
Direct derivatives of Stephanoceras, with similar collared and lipped peristome but denser, finer, sharper ribbing.
References
Munier-Chalmas, E. C. P. A., 1892, Sur la possibilité d'admettre un dimorphisme sexuel chez les Ammonitidés: Soc. géol. France, Comptes rendus, sér. 3, tome 20, p. 170-174 (clxx-clxxiv).