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Stepanoviella
Classification
Phylum:
Brachiopoda
Subphylum:
Rhynchonelliformea
Class:
Strophomenata
Order:
Productida
Suborder:
Productidina
Superfamily:
Linoproductoidea
Family:
Linoproductidae
Subfamily:
Grandaurispininae
Formal Genus Name and Reference:
Stepanoviella ZAVODOWSKY, 1960, p. 336
Type Species:
S. paracurvata, OD
Images
(Click to enlarge in a new window)
Fig . 370,3a–e. *S. paracurvata, Kazanian,Khivatch Horizon, Kolymo-Omolon; a–d, holotype, viewed ventrally, anteriorly, posteriorly, laterally, TsNIGRA 30/9081, ×1; e, dorsal valve interior, ×1 (Zavodowsky, 1960).
Synonyms
Geographic Distribution
northeastern Russia
Age Range
Beginning Stage in Treatise Usage:
Upper Permian (Kazanian)
Beginning International Stage:
Roadian
Fraction Up In Beginning Stage:
0
Beginning Date:
274.37
Ending Stage in Treatise Usage:
Upper Permian (Tatarian)
Ending International Stage:
Wuchiapingian
Fraction Up In Ending Stage:
40
Ending Date:
257.43
Description
Resembles Globiella, but with planoconvex deep corpus profile, outline more transverse, with recumbent, suberect spines on ventral valve, suberect spines on dorsal trail.
References
Museum or Author Information
Classification
Phylum:
Brachiopoda
Subphylum:
Rhynchonelliformea
Class:
Strophomenata
Order:
Productida
Suborder:
Productidina
Superfamily:
Linoproductoidea
Family:
Linoproductidae
Subfamily:
Grandaurispininae
Formal Genus Name and Reference:
Stepanoviella ZAVODOWSKY, 1960, p. 336
Type Species:
S. paracurvata, OD
Images
(Click to enlarge in a new window)
Fig . 370,3a–e. *S. paracurvata, Kazanian,Khivatch Horizon, Kolymo-Omolon; a–d, holotype, viewed ventrally, anteriorly, posteriorly, laterally, TsNIGRA 30/9081, ×1; e, dorsal valve interior, ×1 (Zavodowsky, 1960).
Synonyms
Geographic Distribution
northeastern Russia
Age Range
Beginning Stage in Treatise Usage:
Upper Permian (Kazanian)
Beginning International Stage:
Roadian
Fraction Up In Beginning Stage:
0
Beginning Date:
274.37
Ending Stage in Treatise Usage:
Upper Permian (Tatarian)
Ending International Stage:
Wuchiapingian
Fraction Up In Ending Stage:
40
Ending Date:
257.43
Description
Resembles Globiella, but with planoconvex deep corpus profile, outline more transverse, with recumbent, suberect spines on ventral valve, suberect spines on dorsal trail.