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Baschkirites
Classification
Phylum:
Mollusca
Class:
Cephalopoda
Subclass:
Ammonoidea
Order:
Goniatitida
Suborder:
Goniatitina
Superfamily:
Dimorphoceratoidea
Family:
Girtyoceratidae
Subfamily:
Girtyoceratinae
Formal Genus Name and Reference:
Baschkirites LIBROVICH, 1957, p. 250
Type Species:
B. discoidalis LIBROVICH, 1957, p. 251, OD
Images
(Click to enlarge in a new window)
Fig. 26, 3a-d. *B. discoidalis, holotype, Malaia Ik River, Bashkortostan, Russia, a-b, X 1.5, c, X 4, d, suture, whorl height at 11 mm , X 1.9 (Librovich, 1957).
Synonyms
Nomismoceratoidea
Geographic Distribution
Great Britain, Belgium, Germany, Ireland, Portugal, Russia (South Urals), Uzbekistan, USA (Arkansas)
Age Range
Beginning Stage in Treatise Usage:
Pennsylvanian (lower Bashkirian)
Beginning International Stage:
Bashkirian
Fraction Up In Beginning Stage:
0
Beginning Date:
323.4
Ending Stage in Treatise Usage:
Pennsylvanian (lower Bashkirian)
Ending International Stage:
Bashkirian
Fraction Up In Ending Stage:
50
Ending Date:
319.28
Description
Conch discoidal, with narrow umbilicus in adult stage, Growth lines fine, prorsiradiate, with long ventrolateral salient, ventrolateral grooves common, Simple, sometimes granose spiral ornamentation on entire shell
References
Museum or Author Information
Classification
Phylum:
Mollusca
Class:
Cephalopoda
Subclass:
Ammonoidea
Order:
Goniatitida
Suborder:
Goniatitina
Superfamily:
Dimorphoceratoidea
Family:
Girtyoceratidae
Subfamily:
Girtyoceratinae
Formal Genus Name and Reference:
Baschkirites LIBROVICH, 1957, p. 250
Type Species:
B. discoidalis LIBROVICH, 1957, p. 251, OD
Images
(Click to enlarge in a new window)
Fig. 26, 3a-d. *B. discoidalis, holotype, Malaia Ik River, Bashkortostan, Russia, a-b, X 1.5, c, X 4, d, suture, whorl height at 11 mm , X 1.9 (Librovich, 1957).
Synonyms
Nomismoceratoidea
Geographic Distribution
Great Britain, Belgium, Germany, Ireland, Portugal, Russia (South Urals), Uzbekistan, USA (Arkansas)
Age Range
Beginning Stage in Treatise Usage:
Pennsylvanian (lower Bashkirian)
Beginning International Stage:
Bashkirian
Fraction Up In Beginning Stage:
0
Beginning Date:
323.4
Ending Stage in Treatise Usage:
Pennsylvanian (lower Bashkirian)
Ending International Stage:
Bashkirian
Fraction Up In Ending Stage:
50
Ending Date:
319.28
Description
Conch discoidal, with narrow umbilicus in adult stage, Growth lines fine, prorsiradiate, with long ventrolateral salient, ventrolateral grooves common, Simple, sometimes granose spiral ornamentation on entire shell