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Tschernyschewia
Classification
Phylum:
Brachiopoda
Class:
Strophomenata
Order:
Productida
Superfamily:
Aulostegoidea
Family:
Scacchinellidae
Formal Genus Name and Reference:
Tschernyschewia STOYANOW, 1910, p. 853
Type Species:
T. typica, OD
Images
(Click to enlarge in a new window)
Fig. 436, 3a-e. T. ypica, Dzhulfian, Armenia; a–c, specimen viewed ventrally, dorsally, laterally, × 1; d, dorsal view of specimen cut at beak showing cardinal process, median septum, × 1; e, longitudinal section of specimen showing large ventral median septum, ×1 (Muir-Wood & Cooper, 1960).
Synonyms
Geographic Distribution
southern Europe, China
Age Range
Beginning Stage in Treatise Usage:
Upper Permian (Capitanian)
Beginning International Stage:
Capitanian
Fraction Up In Beginning Stage:
0
Beginning Date:
264.34
Ending Stage in Treatise Usage:
Upper Permian (Capitanian)
Ending International Stage:
Capitanian
Fraction Up In Ending Stage:
100
Ending Date:
259.55
Description
Smaller medium size with subcircular corpus outline, short trails, cicatrix small, variable, hinge narrow with short interareas, external ornament somewhat resembling Waagenoconcha, internally with high ventral median septum fitting between lobes of cardinal process
References
Museum or Author Information
Classification
Phylum:
Brachiopoda
Class:
Strophomenata
Order:
Productida
Superfamily:
Aulostegoidea
Family:
Scacchinellidae
Formal Genus Name and Reference:
Tschernyschewia STOYANOW, 1910, p. 853
Type Species:
T. typica, OD
Images
(Click to enlarge in a new window)
Fig. 436, 3a-e. T. ypica, Dzhulfian, Armenia; a–c, specimen viewed ventrally, dorsally, laterally, × 1; d, dorsal view of specimen cut at beak showing cardinal process, median septum, × 1; e, longitudinal section of specimen showing large ventral median septum, ×1 (Muir-Wood & Cooper, 1960).
Synonyms
Geographic Distribution
southern Europe, China
Age Range
Beginning Stage in Treatise Usage:
Upper Permian (Capitanian)
Beginning International Stage:
Capitanian
Fraction Up In Beginning Stage:
0
Beginning Date:
264.34
Ending Stage in Treatise Usage:
Upper Permian (Capitanian)
Ending International Stage:
Capitanian
Fraction Up In Ending Stage:
100
Ending Date:
259.55
Description
Smaller medium size with subcircular corpus outline, short trails, cicatrix small, variable, hinge narrow with short interareas, external ornament somewhat resembling Waagenoconcha, internally with high ventral median septum fitting between lobes of cardinal process