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Xenoceltites
Classification
Phylum:
Mollusca
Class:
Cephalopoda
Subclass:
Ammonoidea
Order:
Ceratitida
Suborder:
Ceratitina
Superfamily:
Noritaceae
Family:
Xenoceltitidae
Subfamily:
Xenoceltitinae
Formal Genus Name and Reference:
Xenoceltites SPATH, 1930
Type Species:
X. subevolutus (=Xenodiscus cf. comptoni FREBOLD, 1930, non Diener)
Images
(Click to enlarge in a new window)
Fig. 169,1. X. russkiensis Spath, Sib., 1a,b, , XI; lc, X2 (101°).
Synonyms
Geographic Distribution
U.Scyth., Spitz.-Sib.-SaltR.-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
Compressed serpenticone with faint distant bulges on inner whorls and irregular costation, on outer whorl generally causing constrictions. Suture with 2 weakly toothed lateral lobes.
References
Spath, L. F., 1930, The Eotriassic invertebrate fauna of East Greenland: Meddel. om Grønland, Band 83, p. 1-90, pl. 1-12.
Museum or Author Information
Classification
Phylum:
Mollusca
Class:
Cephalopoda
Subclass:
Ammonoidea
Order:
Ceratitida
Suborder:
Ceratitina
Superfamily:
Noritaceae
Family:
Xenoceltitidae
Subfamily:
Xenoceltitinae
Formal Genus Name and Reference:
Xenoceltites SPATH, 1930
Type Species:
X. subevolutus (=Xenodiscus cf. comptoni FREBOLD, 1930, non Diener)
Images
(Click to enlarge in a new window)
Fig. 169,1. X. russkiensis Spath, Sib., 1a,b, , XI; lc, X2 (101°).
Synonyms
Geographic Distribution
U.Scyth., Spitz.-Sib.-SaltR.-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
Compressed serpenticone with faint distant bulges on inner whorls and irregular costation, on outer whorl generally causing constrictions. Suture with 2 weakly toothed lateral lobes.
References
Spath, L. F., 1930, The Eotriassic invertebrate fauna of East Greenland: Meddel. om Grønland, Band 83, p. 1-90, pl. 1-12.
