Welcome to the Treatise on Invertebrate Paleontology!
Please enter a genera name to retrieve more information.
Brancoceras
Classification
Phylum:
Mollusca
Class:
Cephalopoda
Order:
Ammonitida
Superfamily:
Acanthocerataceae
Family:
Brancoceratidae
Formal Genus Name and Reference:
Brancoceras STEINMANN, 1881, p. 133
Type Species:
Ammonites senequieri Orbigny, 1841, p. 292, SD HYATT, 1900, p. 590
Images
(Click to enlarge in a new window)
Fig. 104, 4a-c. *B. (B.) senequieri (Orbigny), France, a, b, X 0.75, c, enlarged (Orbigny, 18401842).
Synonyms
Hystatoceras
Geographic Distribution
England, France, Poland, India, ?Colombia, Peru, Venezuela
Age Range
Beginning Stage in Treatise Usage:
Lower Cretaceous (Lower Albian)
Beginning International Stage:
Albian
Fraction Up In Beginning Stage:
0
Beginning Date:
113.2
Ending Stage in Treatise Usage:
Lower Cretaceous (Middle Albian)
Ending International Stage:
Albian
Fraction Up In Ending Stage:
50
Ending Date:
106.85
Description
Small, early whorls smooth, with round or acute venter, later whorl section compressed-oval, with strong, single, straight or slightly flexuous, rounded or sharp ribs crossing venter transversely or in chevrons, on outer whorls venter rounded, fastigiate, or even carinate. Suture simple.
References
Museum or Author Information
Classification
Phylum:
Mollusca
Class:
Cephalopoda
Order:
Ammonitida
Superfamily:
Acanthocerataceae
Family:
Brancoceratidae
Formal Genus Name and Reference:
Brancoceras STEINMANN, 1881, p. 133
Type Species:
Ammonites senequieri Orbigny, 1841, p. 292, SD HYATT, 1900, p. 590
Images
(Click to enlarge in a new window)
Fig. 104, 4a-c. *B. (B.) senequieri (Orbigny), France, a, b, X 0.75, c, enlarged (Orbigny, 18401842).
Synonyms
Hystatoceras
Geographic Distribution
England, France, Poland, India, ?Colombia, Peru, Venezuela
Age Range
Beginning Stage in Treatise Usage:
Lower Cretaceous (Lower Albian)
Beginning International Stage:
Albian
Fraction Up In Beginning Stage:
0
Beginning Date:
113.2
Ending Stage in Treatise Usage:
Lower Cretaceous (Middle Albian)
Ending International Stage:
Albian
Fraction Up In Ending Stage:
50
Ending Date:
106.85
Description
Small, early whorls smooth, with round or acute venter, later whorl section compressed-oval, with strong, single, straight or slightly flexuous, rounded or sharp ribs crossing venter transversely or in chevrons, on outer whorls venter rounded, fastigiate, or even carinate. Suture simple.