Welcome to the Treatise on Invertebrate Paleontology!
Please enter a genera name to retrieve more information.
Dumortieria
Classification
Phylum:
Mollusca
Class:
Cephalopoda
Order:
Ammonitida
Superfamily:
Eoderocerataceae
Family:
Hildoceratidae
Formal Genus Name and Reference:
Dumortieria HAUG, 1885
Type Species:
Am. levesquei D'ORBIGNY, 1844
Images
(Click to enlarge in a new window)
Fig. 295,1. *D. levesquei (Оrв.), Fr., 1a-c, x0.5 (330*)"
Synonyms
Phenakoceras, Phenakocerites
Geographic Distribution
Eu.-N.Afr.-Anatolia-Cauc.-Persia-Indochina-Borneo-Can.-Arg.
Age Range
Beginning Stage in Treatise Usage:
U.Toarc.(jurense z.)
Beginning International Stage:
Toarcian
Fraction Up In Beginning Stage:
50
Beginning Date:
179.45
Ending Stage in Treatise Usage:
U.Toarc.(jurense z.)
Ending International Stage:
Toarcian
Fraction Up In Ending Stage:
100
Ending Date:
174.7
Description
Planulates with nearly straight ribbing
References
Museum or Author Information
Classification
Phylum:
Mollusca
Class:
Cephalopoda
Order:
Ammonitida
Superfamily:
Eoderocerataceae
Family:
Hildoceratidae
Formal Genus Name and Reference:
Dumortieria HAUG, 1885
Type Species:
Am. levesquei D'ORBIGNY, 1844
Images
(Click to enlarge in a new window)
Fig. 295,1. *D. levesquei (Оrв.), Fr., 1a-c, x0.5 (330*)"
Synonyms
Phenakoceras, Phenakocerites
Geographic Distribution
Eu.-N.Afr.-Anatolia-Cauc.-Persia-Indochina-Borneo-Can.-Arg.
Age Range
Beginning Stage in Treatise Usage:
U.Toarc.(jurense z.)
Beginning International Stage:
Toarcian
Fraction Up In Beginning Stage:
50
Beginning Date:
179.45
Ending Stage in Treatise Usage:
U.Toarc.(jurense z.)
Ending International Stage:
Toarcian
Fraction Up In Ending Stage:
100
Ending Date:
174.7
Description
Planulates with nearly straight ribbing