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Aristoptychites
Classification
Phylum:
Mollusca
Class:
Cephalopoda
Order:
Ceratitida
Superfamily:
Ptychitaceae
Family:
Ptychitidae
Formal Genus Name and Reference:
Aristoptychites DIENER, 1916
Type Species:
Am. gerardi BLANFORD, 1863
Images
(Click to enlarge in a new window)
Fig. 211,9. *A. gerardi (Blanf.); 9a, X0.5; 9b, X1 (100·)
Synonyms
Geographic Distribution
Himalaya
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
With triangular whorl section, venter acutely rounded, umbilical walls steep, radial folds weak. Suture curved
References
Diener, Carl, 1916, Untersuchungen über die Wohnkammerlänge als Grundlage einer natürlichen Systematik der Ammoniten: Same, Sitzungsber., Abt. 1, Band 125, p. 253-309.
Museum or Author Information
Classification
Phylum:
Mollusca
Class:
Cephalopoda
Order:
Ceratitida
Superfamily:
Ptychitaceae
Family:
Ptychitidae
Formal Genus Name and Reference:
Aristoptychites DIENER, 1916
Type Species:
Am. gerardi BLANFORD, 1863
Images
(Click to enlarge in a new window)
Fig. 211,9. *A. gerardi (Blanf.); 9a, X0.5; 9b, X1 (100·)
Synonyms
Geographic Distribution
Himalaya
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
With triangular whorl section, venter acutely rounded, umbilical walls steep, radial folds weak. Suture curved
References
Diener, Carl, 1916, Untersuchungen über die Wohnkammerlänge als Grundlage einer natürlichen Systematik der Ammoniten: Same, Sitzungsber., Abt. 1, Band 125, p. 253-309.