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Columbites
Classification
Phylum:
Mollusca
Class:
Cephalopoda
Subclass:
Ammonoidea
Order:
Ceratitida
Suborder:
Ceratitina
Superfamily:
Noritaceae
Family:
Paranannitidae
Subfamily:
Columbitinae
Formal Genus Name and Reference:
Columbites Hyatt & SMITH, 1905
Type Species:
C. parisianus
Images
(Click to enlarge in a new window)
Fig. 172,2. *C. parisianus, 2a, x0.7, 2 b, x2 (203*)
Synonyms
Geographic Distribution
Ida-Wyo.-Utah
Age Range
Beginning Stage in Treatise Usage:
U.Scyth.
Beginning International Stage:
Olenekian
Fraction Up In Beginning Stage:
0
Beginning Date:
249.88
Ending Stage in Treatise Usage:
U.Scyth.
Ending International Stage:
Olenekian
Fraction Up In Ending Stage:
100
Ending Date:
246.7
Description
Evolute, feebly ornamented with ribs, constrictions, and spiral striae, venter arched tending to become acute. Suture ceratitic with large lateral lobe and small 2nd lateral
References
—, \& Smith, J. P., 1905, The Triassic cephalopod genera of America: U. S. Geol. Survey, Prof. Paper 40, p. 1-394, pl. 1-85.
Museum or Author Information
Classification
Phylum:
Mollusca
Class:
Cephalopoda
Subclass:
Ammonoidea
Order:
Ceratitida
Suborder:
Ceratitina
Superfamily:
Noritaceae
Family:
Paranannitidae
Subfamily:
Columbitinae
Formal Genus Name and Reference:
Columbites Hyatt & SMITH, 1905
Type Species:
C. parisianus
Images
(Click to enlarge in a new window)
Fig. 172,2. *C. parisianus, 2a, x0.7, 2 b, x2 (203*)
Synonyms
Geographic Distribution
Ida-Wyo.-Utah
Age Range
Beginning Stage in Treatise Usage:
U.Scyth.
Beginning International Stage:
Olenekian
Fraction Up In Beginning Stage:
0
Beginning Date:
249.88
Ending Stage in Treatise Usage:
U.Scyth.
Ending International Stage:
Olenekian
Fraction Up In Ending Stage:
100
Ending Date:
246.7
Description
Evolute, feebly ornamented with ribs, constrictions, and spiral striae, venter arched tending to become acute. Suture ceratitic with large lateral lobe and small 2nd lateral
References
—, \& Smith, J. P., 1905, The Triassic cephalopod genera of America: U. S. Geol. Survey, Prof. Paper 40, p. 1-394, pl. 1-85.