Welcome to the Ammonoid subsite on Invertebrate Paleontology!
Please enter a genera name to retrieve more information.
Deshayesites
Classification
Phylum:
Mollusca
Class:
Cephalopoda
Subclass:
Ammonoidea
Order:
Ammonitida
Suborder:
Ancyloceratina
Superfamily:
Deshayesitaceae
Family:
Deshayesitidae
Subfamily:
Deshayesitinae
Formal Genus Name and Reference:
Deshayesites KAZANSKY, 1914, p. 99
Type Species:
Ammonites deshayesi ORBIGNY, 1840, p. 85
Images
(Click to enlarge in a new window)
Fig. 211, 1a-c. *D. deshayesi (Orbigny), France, a, b, X 1, c, enlarged (Casey, 1964).
Synonyms
Parahoplitoides
Geographic Distribution
Europe, Sardinia, Georgia, Greenland
Age Range
Beginning Stage in Treatise Usage:
Lower Cretaceous (Lower Aptian)
Beginning International Stage:
Aptian
Fraction Up In Beginning Stage:
0
Beginning Date:
121.4
Ending Stage in Treatise Usage:
Lower Cretaceous (Lower Aptian)
Ending International Stage:
Aptian
Fraction Up In Ending Stage:
33
Ending Date:
118.69
Description
Moderately involute, with slight loosening of coiling with growth, compressed, sides and venter slightly convex to flat, ribs consisting of sigmoid primaries and branching or intercalated secondaries
References
Museum or Author Information
Classification
Phylum:
Mollusca
Class:
Cephalopoda
Subclass:
Ammonoidea
Order:
Ammonitida
Suborder:
Ancyloceratina
Superfamily:
Deshayesitaceae
Family:
Deshayesitidae
Subfamily:
Deshayesitinae
Formal Genus Name and Reference:
Deshayesites KAZANSKY, 1914, p. 99
Type Species:
Ammonites deshayesi ORBIGNY, 1840, p. 85
Images
(Click to enlarge in a new window)
Fig. 211, 1a-c. *D. deshayesi (Orbigny), France, a, b, X 1, c, enlarged (Casey, 1964).
Synonyms
Parahoplitoides
Geographic Distribution
Europe, Sardinia, Georgia, Greenland
Age Range
Beginning Stage in Treatise Usage:
Lower Cretaceous (Lower Aptian)
Beginning International Stage:
Aptian
Fraction Up In Beginning Stage:
0
Beginning Date:
121.4
Ending Stage in Treatise Usage:
Lower Cretaceous (Lower Aptian)
Ending International Stage:
Aptian
Fraction Up In Ending Stage:
33
Ending Date:
118.69
Description
Moderately involute, with slight loosening of coiling with growth, compressed, sides and venter slightly convex to flat, ribs consisting of sigmoid primaries and branching or intercalated secondaries