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Platygoniatites
Classification
Phylum:
Mollusca
Class:
Cephalopoda
Subclass:
Ammonoidea
Order:
Goniatitida
Suborder:
Goniatitina
Superfamily:
Goniatitoidea
Family:
Delepinoceratidae
Subfamily:
Delepinoceratinae
Formal Genus Name and Reference:
Platygoniatites RUZHENTSEV, 1956a, p. 158
Type Species:
P. molaris, OD
Images
(Click to enlarge in a new window)
Fig. 34, 2a-f. *P. molaris, Dombar Hills, South Urals, Kazakhstan, lower Serpukhovian, a-b, PIN 455/210, X 1, c-d, PIN 455/212, X 1, e, holotype, suture, PIN 455/209, whorl height at 31.5 , whorl width 25 mm, X 1 (Ruzhentsev & Bogoslovskaia, 1971), f, cross section, Dombar Hills, PIN 455/214, X 2 (Ruzhentsev, 1956a)., Fig. 35, 2a. *P. karpinskii, Chumaza River, South Urals, Bashkortostan, lower Bashkirian, Russia, whorl height at 8 mm , whorl width 10.5 mm , PIN 455/28786, X 4.3 (Ruzhentsev & Bogoslovskaia, 1978).
Synonyms
Altayceras
Geographic Distribution
Spain, Portugal, Russia (Novaia Zemlia), Russia and Kazakhstan (South Urals), China (Guangxi, Ningxia, Xinjiang), Tajikistan (Darvaz), USA (Nevada)
Age Range
Beginning Stage in Treatise Usage:
Mississippian (uppermost Visean)
Beginning International Stage:
Visean
Fraction Up In Beginning Stage:
83
Beginning Date:
333.13
Ending Stage in Treatise Usage:
Mississippian (Serpukhovian)
Ending International Stage:
Serpukhovian
Fraction Up In Ending Stage:
100
Ending Date:
323.4
Description
Sides of ventral and adventitious lobes with tendency toward processes, but not yet tridentate, Some forms with triangular coiling on immature stages
References
Museum or Author Information
Classification
Phylum:
Mollusca
Class:
Cephalopoda
Subclass:
Ammonoidea
Order:
Goniatitida
Suborder:
Goniatitina
Superfamily:
Goniatitoidea
Family:
Delepinoceratidae
Subfamily:
Delepinoceratinae
Formal Genus Name and Reference:
Platygoniatites RUZHENTSEV, 1956a, p. 158
Type Species:
P. molaris, OD
Images
(Click to enlarge in a new window)
Fig. 34, 2a-f. *P. molaris, Dombar Hills, South Urals, Kazakhstan, lower Serpukhovian, a-b, PIN 455/210, X 1, c-d, PIN 455/212, X 1, e, holotype, suture, PIN 455/209, whorl height at 31.5 , whorl width 25 mm, X 1 (Ruzhentsev & Bogoslovskaia, 1971), f, cross section, Dombar Hills, PIN 455/214, X 2 (Ruzhentsev, 1956a)., Fig. 35, 2a. *P. karpinskii, Chumaza River, South Urals, Bashkortostan, lower Bashkirian, Russia, whorl height at 8 mm , whorl width 10.5 mm , PIN 455/28786, X 4.3 (Ruzhentsev & Bogoslovskaia, 1978).
Synonyms
Altayceras
Geographic Distribution
Spain, Portugal, Russia (Novaia Zemlia), Russia and Kazakhstan (South Urals), China (Guangxi, Ningxia, Xinjiang), Tajikistan (Darvaz), USA (Nevada)
Age Range
Beginning Stage in Treatise Usage:
Mississippian (uppermost Visean)
Beginning International Stage:
Visean
Fraction Up In Beginning Stage:
83
Beginning Date:
333.13
Ending Stage in Treatise Usage:
Mississippian (Serpukhovian)
Ending International Stage:
Serpukhovian
Fraction Up In Ending Stage:
100
Ending Date:
323.4
Description
Sides of ventral and adventitious lobes with tendency toward processes, but not yet tridentate, Some forms with triangular coiling on immature stages