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Xenodiscus
Classification
Phylum:
Mollusca
Class:
Cephalopoda
Order:
Ceratitida
Superfamily:
Otocerataceae
Family:
Xenodiscidae
Formal Genus Name and Reference:
Xenodiscus WAAGEN, 1879
Type Species:
X. plicatus
Images
(Click to enlarge in a new window)
Fig. 162,1. *X. plicatus, U.Perm., SaltR., 1 a, b, X0.7, 1 c, X1.5 (547*)
Synonyms
Proceratites
Geographic Distribution
SaltR., Timor
Age Range
Beginning Stage in Treatise Usage:
U.Perm.
Beginning International Stage:
Wuchiapingian
Fraction Up In Beginning Stage:
0
Beginning Date:
259.55
Ending Stage in Treatise Usage:
U.Perm.
Ending International Stage:
Changhsingian
Fraction Up In Ending Stage:
100
Ending Date:
251.9
Description
Venter low, arched, shoulders abruptly rounded, sides flattened and with radial ribs. Suture ceratitic
References
Waagen, Wilhelm, 1879, Salt Range fossils; Productus limestone fossils: Same, ser. 13, v. 1, pt. 1, p. 1-72, pl. 1-6.
Museum or Author Information
Classification
Phylum:
Mollusca
Class:
Cephalopoda
Order:
Ceratitida
Superfamily:
Otocerataceae
Family:
Xenodiscidae
Formal Genus Name and Reference:
Xenodiscus WAAGEN, 1879
Type Species:
X. plicatus
Images
(Click to enlarge in a new window)
Fig. 162,1. *X. plicatus, U.Perm., SaltR., 1 a, b, X0.7, 1 c, X1.5 (547*)
Synonyms
Proceratites
Geographic Distribution
SaltR., Timor
Age Range
Beginning Stage in Treatise Usage:
U.Perm.
Beginning International Stage:
Wuchiapingian
Fraction Up In Beginning Stage:
0
Beginning Date:
259.55
Ending Stage in Treatise Usage:
U.Perm.
Ending International Stage:
Changhsingian
Fraction Up In Ending Stage:
100
Ending Date:
251.9
Description
Venter low, arched, shoulders abruptly rounded, sides flattened and with radial ribs. Suture ceratitic
References
Waagen, Wilhelm, 1879, Salt Range fossils; Productus limestone fossils: Same, ser. 13, v. 1, pt. 1, p. 1-72, pl. 1-6.