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Arietites
Classification
Phylum:
Mollusca
Class:
Cephalopoda
Order:
Ammonitida
Superfamily:
Psilocerataceae
Family:
Arietitidae
Formal Genus Name and Reference:
Arietites WAAGEN, 1869
Type Species:
Am. bucklandi J.SOWERBY, 1816 (ICZN Opinion 305)
Images
(Click to enlarge in a new window)
Fig. 262,1. *A. bucklandi (Sow.), Eng., x0.7 (4*)
Synonyms
Arieticeras, Arietitites
Geographic Distribution
Eu.-Anatolia-Himalaya-?Japan.-?Philip.Indon. - N.Alaska - Nev.-Mex.-Chile-Peru-Arg.
Age Range
Beginning Stage in Treatise Usage:
L.Sinem.
Beginning International Stage:
Sinemurian
Fraction Up In Beginning Stage:
0
Beginning Date:
199.46
Ending Stage in Treatise Usage:
L.Sinem.
Ending International Stage:
Sinemurian
Fraction Up In Ending Stage:
50
Ending Date:
196.18
Description
Giant, massive, evolute planulates with subquadrate whorls and tricarinate-bisulcate venter
References
Waagen, Wilhelm, 1869, Die Formenreihe des Ammonites subradiatus: Geogn.-Paläont. Beitr., Band 2, Heft 2, p. 181-256, pl. 16-20.
Museum or Author Information
Classification
Phylum:
Mollusca
Class:
Cephalopoda
Order:
Ammonitida
Superfamily:
Psilocerataceae
Family:
Arietitidae
Formal Genus Name and Reference:
Arietites WAAGEN, 1869
Type Species:
Am. bucklandi J.SOWERBY, 1816 (ICZN Opinion 305)
Images
(Click to enlarge in a new window)
Fig. 262,1. *A. bucklandi (Sow.), Eng., x0.7 (4*)
Synonyms
Arieticeras, Arietitites
Geographic Distribution
Eu.-Anatolia-Himalaya-?Japan.-?Philip.Indon. - N.Alaska - Nev.-Mex.-Chile-Peru-Arg.
Age Range
Beginning Stage in Treatise Usage:
L.Sinem.
Beginning International Stage:
Sinemurian
Fraction Up In Beginning Stage:
0
Beginning Date:
199.46
Ending Stage in Treatise Usage:
L.Sinem.
Ending International Stage:
Sinemurian
Fraction Up In Ending Stage:
50
Ending Date:
196.18
Description
Giant, massive, evolute planulates with subquadrate whorls and tricarinate-bisulcate venter
References
Waagen, Wilhelm, 1869, Die Formenreihe des Ammonites subradiatus: Geogn.-Paläont. Beitr., Band 2, Heft 2, p. 181-256, pl. 16-20.