Welcome to the Treatise on Invertebrate Paleontology!
Please enter a genera name to retrieve more information.
Nevadites
Classification
Phylum:
Mollusca
Class:
Cephalopoda
Order:
Ceratitida
Superfamily:
Clydonitaceae
Family:
Trachyceratidae
Formal Genus Name and Reference:
Nevadites SMITH, 1914
Type Species:
N. merriami
Images
(Click to enlarge in a new window)
Fig. 190, 10. *N. merriami, Nev., 10a,b, *.
Synonyms
Geographic Distribution
Nev.-Balkan-?Japan
Age Range
Beginning Stage in Treatise Usage:
M. Trias.(Anis.)
Beginning International Stage:
Anisian
Fraction Up In Beginning Stage:
0
Beginning Date:
246.7
Ending Stage in Treatise Usage:
M. Trias.(Anis.)
Ending International Stage:
Anisian
Fraction Up In Ending Stage:
100
Ending Date:
241.46
Description
Evolute, with subrectangular whorl section increasing slowly in height, whorl sides and venter flattened, no ventral furrow, with strong lateral ribs and tubercles, prominent tubercle at end of rib on ventrolateral shoulder
References
Smith, J. P., 1914, Middle Triassic marine invertebrate faunas of North America: U. S. Geol. Survey, Prof. Paper 83, p. 1-254, pl. 1-99.
Museum or Author Information
Classification
Phylum:
Mollusca
Class:
Cephalopoda
Order:
Ceratitida
Superfamily:
Clydonitaceae
Family:
Trachyceratidae
Formal Genus Name and Reference:
Nevadites SMITH, 1914
Type Species:
N. merriami
Images
(Click to enlarge in a new window)
Fig. 190, 10. *N. merriami, Nev., 10a,b, *.
Synonyms
Geographic Distribution
Nev.-Balkan-?Japan
Age Range
Beginning Stage in Treatise Usage:
M. Trias.(Anis.)
Beginning International Stage:
Anisian
Fraction Up In Beginning Stage:
0
Beginning Date:
246.7
Ending Stage in Treatise Usage:
M. Trias.(Anis.)
Ending International Stage:
Anisian
Fraction Up In Ending Stage:
100
Ending Date:
241.46
Description
Evolute, with subrectangular whorl section increasing slowly in height, whorl sides and venter flattened, no ventral furrow, with strong lateral ribs and tubercles, prominent tubercle at end of rib on ventrolateral shoulder
References
Smith, J. P., 1914, Middle Triassic marine invertebrate faunas of North America: U. S. Geol. Survey, Prof. Paper 83, p. 1-254, pl. 1-99.