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Keyserlingites
Classification
Phylum:
Mollusca
Class:
Cephalopoda
Order:
Ceratitida
Superfamily:
Noritaceae
Family:
Sibiritidae
Formal Genus Name and Reference:
Keyserlingites HYATT, 1900
Type Species:
Ceratites subrobustus MOJSISOVICS, 1886
Images
(Click to enlarge in a new window)
Fig. 178,7. *K. subrobustus (Mojs.), Sib., 7a,b, x0.7 (294*)
Synonyms
Robustites
Geographic Distribution
Spitz.-Sib.-Ida.
Age Range
Beginning Stage in Treatise Usage:
L.Trias.(U.Scyth.)
Beginning International Stage:
Olenekian
Fraction Up In Beginning Stage:
0
Beginning Date:
249.88
Ending Stage in Treatise Usage:
L.Trias.(U.Scyth.)
Ending International Stage:
Olenekian
Fraction Up In Ending Stage:
100
Ending Date:
246.7
Description
Inflated, with subtabulate to arched venter, with umbilical nodes, with lateral ribs that may cross venter or a row of nodes along ventral shoulder
References
Hyatt, Alpheus, 1900, Cephalopoda: in Zittel, K. A., Textbook of Palaeontology, 1st English ed., transl. Eastman, C. R., p. 502-592, fig. 1049-1235.
Museum or Author Information
Classification
Phylum:
Mollusca
Class:
Cephalopoda
Order:
Ceratitida
Superfamily:
Noritaceae
Family:
Sibiritidae
Formal Genus Name and Reference:
Keyserlingites HYATT, 1900
Type Species:
Ceratites subrobustus MOJSISOVICS, 1886
Images
(Click to enlarge in a new window)
Fig. 178,7. *K. subrobustus (Mojs.), Sib., 7a,b, x0.7 (294*)
Synonyms
Robustites
Geographic Distribution
Spitz.-Sib.-Ida.
Age Range
Beginning Stage in Treatise Usage:
L.Trias.(U.Scyth.)
Beginning International Stage:
Olenekian
Fraction Up In Beginning Stage:
0
Beginning Date:
249.88
Ending Stage in Treatise Usage:
L.Trias.(U.Scyth.)
Ending International Stage:
Olenekian
Fraction Up In Ending Stage:
100
Ending Date:
246.7
Description
Inflated, with subtabulate to arched venter, with umbilical nodes, with lateral ribs that may cross venter or a row of nodes along ventral shoulder
References
Hyatt, Alpheus, 1900, Cephalopoda: in Zittel, K. A., Textbook of Palaeontology, 1st English ed., transl. Eastman, C. R., p. 502-592, fig. 1049-1235.