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Gyrophiceras
Classification
Phylum:
Mollusca
Class:
Cephalopoda
Order:
Ceratitida
Superfamily:
Noritaceae
Family:
Gyronitidae
Formal Genus Name and Reference:
Gyrophiceras SPATH, 1934
Type Species:
Lecanites gangeticus (DeKoninck) WAAGEN, 1895
Images
(Click to enlarge in a new window)
Fig. 167,5. *G. gangeticum (Kon.), SaltR., 5a,b, x1, 5c, x2 (548*)
Synonyms
Geographic Distribution
Salt R.-Timor
Age Range
Beginning Stage in Treatise Usage:
L.Scyth.(Gyronitan)
Beginning International Stage:
Induan
Fraction Up In Beginning Stage:
46.2
Beginning Date:
250.97
Ending Stage in Treatise Usage:
L.Scyth.(Flemingitan)
Ending International Stage:
Olenekian
Fraction Up In Ending Stage:
48.9
Ending Date:
248.32
Description
Venter rounded, sides convex, umbilical wall rounded. Suture subgoniatitic.
References
Spath, L. F., 1934, The Jurassic and Cretaceous ammonites and belemnites of the Attock district: Palaeont. Indica, new ser., v. 20, mem. 4, p. 1-39, pl. 1-6.
Museum or Author Information
Classification
Phylum:
Mollusca
Class:
Cephalopoda
Order:
Ceratitida
Superfamily:
Noritaceae
Family:
Gyronitidae
Formal Genus Name and Reference:
Gyrophiceras SPATH, 1934
Type Species:
Lecanites gangeticus (DeKoninck) WAAGEN, 1895
Images
(Click to enlarge in a new window)
Fig. 167,5. *G. gangeticum (Kon.), SaltR., 5a,b, x1, 5c, x2 (548*)
Synonyms
Geographic Distribution
Salt R.-Timor
Age Range
Beginning Stage in Treatise Usage:
L.Scyth.(Gyronitan)
Beginning International Stage:
Induan
Fraction Up In Beginning Stage:
46.2
Beginning Date:
250.97
Ending Stage in Treatise Usage:
L.Scyth.(Flemingitan)
Ending International Stage:
Olenekian
Fraction Up In Ending Stage:
48.9
Ending Date:
248.32
Description
Venter rounded, sides convex, umbilical wall rounded. Suture subgoniatitic.
References
Spath, L. F., 1934, The Jurassic and Cretaceous ammonites and belemnites of the Attock district: Palaeont. Indica, new ser., v. 20, mem. 4, p. 1-39, pl. 1-6.