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Kazakhoceras
Classification
Phylum:
Mollusca
Class:
Cephalopoda
Subclass:
Ammonoidea
Order:
Goniatitida
Suborder:
Goniatitina
Superfamily:
Dimorphoceratoidea
Family:
Berkhoceratidae
Formal Genus Name and Reference:
Kazakhoceras RUZHENTSEV, 1947a, p. 521
Type Species:
K. yanshini Ruzhentsev, 1947a, p. 522, OD, =?Neodimorphoceras hawkinsi Moore, 1930, p. 168, Ruzhentsev & BOGOSLOVSKAIA, 1971, p. 197, subj.
Images
(Click to enlarge in a new window)
Fig. 29, 4a-c. * K. yanshini, Nocedo, Cantabrian Mountains, Spain, Arnsbergian, a-b, GPIT 1494/1226, X 1 (Kullmann, new), c, suture, Perlora, Cantabrian Mountains, Spain, lower Serpukhovian, GPIT 1268/68, whorl height at 22 mm , whorl width at 15 mm X 1.5 (Kullmann, 1962).
Synonyms
Geographic Distribution
Great Britain, Belgium, Ireland, Germany, Spain, Poland, Russia (Novaia Zemlia, South Urals), Kazakhstan (Karaganda), China (Guangxi, Gansu, Ningxia), Kyrgyzstan, Tajikistan, Uzbekistan
Age Range
Beginning Stage in Treatise Usage:
Mississippian (upper Visean)
Beginning International Stage:
Visean
Fraction Up In Beginning Stage:
66
Beginning Date:
335.91
Ending Stage in Treatise Usage:
Mississippian (Serpukhovian)
Ending International Stage:
Serpukhovian
Fraction Up In Ending Stage:
100
Ending Date:
323.4
Description
Conch form lenticular and almost oxycone, Growth lines crossed sometimes by fine spiral lirae
References
Museum or Author Information
Classification
Phylum:
Mollusca
Class:
Cephalopoda
Subclass:
Ammonoidea
Order:
Goniatitida
Suborder:
Goniatitina
Superfamily:
Dimorphoceratoidea
Family:
Berkhoceratidae
Formal Genus Name and Reference:
Kazakhoceras RUZHENTSEV, 1947a, p. 521
Type Species:
K. yanshini Ruzhentsev, 1947a, p. 522, OD, =?Neodimorphoceras hawkinsi Moore, 1930, p. 168, Ruzhentsev & BOGOSLOVSKAIA, 1971, p. 197, subj.
Images
(Click to enlarge in a new window)
Fig. 29, 4a-c. * K. yanshini, Nocedo, Cantabrian Mountains, Spain, Arnsbergian, a-b, GPIT 1494/1226, X 1 (Kullmann, new), c, suture, Perlora, Cantabrian Mountains, Spain, lower Serpukhovian, GPIT 1268/68, whorl height at 22 mm , whorl width at 15 mm X 1.5 (Kullmann, 1962).
Synonyms
Geographic Distribution
Great Britain, Belgium, Ireland, Germany, Spain, Poland, Russia (Novaia Zemlia, South Urals), Kazakhstan (Karaganda), China (Guangxi, Gansu, Ningxia), Kyrgyzstan, Tajikistan, Uzbekistan
Age Range
Beginning Stage in Treatise Usage:
Mississippian (upper Visean)
Beginning International Stage:
Visean
Fraction Up In Beginning Stage:
66
Beginning Date:
335.91
Ending Stage in Treatise Usage:
Mississippian (Serpukhovian)
Ending International Stage:
Serpukhovian
Fraction Up In Ending Stage:
100
Ending Date:
323.4
Description
Conch form lenticular and almost oxycone, Growth lines crossed sometimes by fine spiral lirae