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Verancoceras
Classification
Phylum:
Mollusca
Class:
Cephalopoda
Order:
Goniatitida
Superfamily:
Neoglyphioceratoidea
Family:
Cravenoceratidae
Formal Genus Name and Reference:
Verancoceras Ruzhentsev & BOGOSLOVSKAIA, 1971, p. 282
Type Species:
V. admirabile Ruzhentsev & BOGOSLOVSKAIA, 1971, p. 283, OD
Images
(Click to enlarge in a new window)
Fig. 40, 3a-c. *V. admirabile, a-b, holotype, side view, Zhaksy-Kargali River, left bank, Aqtöbe (=Aktiubinsk oblast'), South Urals, Kazakhstan, Arnsbergian, PIN 455/33390, X 1.5, c, suture, PIN 455/33393, whorl height at 6.0 mm , whorl width 8.8 mm, X 6 (Ruzhentsev & Bogoslovskaia, 1971).
Synonyms
Geographic Distribution
"Russia and Kazakhstan (South Urals), China (Xizang)"
Age Range
Beginning Stage in Treatise Usage:
Mississippian (upper Serpukhovian)
Beginning International Stage:
Serpukhovian
Fraction Up In Beginning Stage:
50
Beginning Date:
326.87
Ending Stage in Treatise Usage:
Mississippian (upper Serpukhovian)
Ending International Stage:
Serpukhovian
Fraction Up In Ending Stage:
100
Ending Date:
323.4
Description
Conch form broad with irregular umbilicus, growth lines displayed as weak lamellae, no spiral ornamentation
References
Museum or Author Information
Classification
Phylum:
Mollusca
Class:
Cephalopoda
Order:
Goniatitida
Superfamily:
Neoglyphioceratoidea
Family:
Cravenoceratidae
Formal Genus Name and Reference:
Verancoceras Ruzhentsev & BOGOSLOVSKAIA, 1971, p. 282
Type Species:
V. admirabile Ruzhentsev & BOGOSLOVSKAIA, 1971, p. 283, OD
Images
(Click to enlarge in a new window)
Fig. 40, 3a-c. *V. admirabile, a-b, holotype, side view, Zhaksy-Kargali River, left bank, Aqtöbe (=Aktiubinsk oblast'), South Urals, Kazakhstan, Arnsbergian, PIN 455/33390, X 1.5, c, suture, PIN 455/33393, whorl height at 6.0 mm , whorl width 8.8 mm, X 6 (Ruzhentsev & Bogoslovskaia, 1971).
Synonyms
Geographic Distribution
"Russia and Kazakhstan (South Urals), China (Xizang)"
Age Range
Beginning Stage in Treatise Usage:
Mississippian (upper Serpukhovian)
Beginning International Stage:
Serpukhovian
Fraction Up In Beginning Stage:
50
Beginning Date:
326.87
Ending Stage in Treatise Usage:
Mississippian (upper Serpukhovian)
Ending International Stage:
Serpukhovian
Fraction Up In Ending Stage:
100
Ending Date:
323.4
Description
Conch form broad with irregular umbilicus, growth lines displayed as weak lamellae, no spiral ornamentation