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Coroniceras
Classification
Phylum:
Mollusca
Class:
Cephalopoda
Order:
Ammonitida
Superfamily:
Psilocerataceae
Family:
Arietitidae
Formal Genus Name and Reference:
Coroniceras HYATT, 1867
Type Species:
Am. kridion Zieten, 1830, SD BONARELLI, 1900 (ICZN Opinion 324)
Images
(Click to enlarge in a new window)
Fig. 262,6. *C. kridion (Zieten), Ger., X1 (389*)
Synonyms
Arnioceratoides
Geographic Distribution
Sinem., Eu.-S.Alaska-Can.
Age Range
Beginning Stage in Treatise Usage:
Sinem.
Beginning International Stage:
Sinemurian
Fraction Up In Beginning Stage:
0
Beginning Date:
199.46
Ending Stage in Treatise Usage:
Sinem.
Ending International Stage:
Sinemurian
Fraction Up In Ending Stage:
100
Ending Date:
192.9
Description
Venter arched, with single tall keel, no sulci, ribs few and strong, with slight ventrolateral bullae
References
Museum or Author Information
Classification
Phylum:
Mollusca
Class:
Cephalopoda
Order:
Ammonitida
Superfamily:
Psilocerataceae
Family:
Arietitidae
Formal Genus Name and Reference:
Coroniceras HYATT, 1867
Type Species:
Am. kridion Zieten, 1830, SD BONARELLI, 1900 (ICZN Opinion 324)
Images
(Click to enlarge in a new window)
Fig. 262,6. *C. kridion (Zieten), Ger., X1 (389*)
Synonyms
Arnioceratoides
Geographic Distribution
Sinem., Eu.-S.Alaska-Can.
Age Range
Beginning Stage in Treatise Usage:
Sinem.
Beginning International Stage:
Sinemurian
Fraction Up In Beginning Stage:
0
Beginning Date:
199.46
Ending Stage in Treatise Usage:
Sinem.
Ending International Stage:
Sinemurian
Fraction Up In Ending Stage:
100
Ending Date:
192.9
Description
Venter arched, with single tall keel, no sulci, ribs few and strong, with slight ventrolateral bullae