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Subansiria
Classification
Phylum:
Brachiopoda
Class:
Rhynchonellata
Order:
Spiriferinida
Superfamily:
Syringothyridoidea
Family:
Syringothyrididae
Formal Genus Name and Reference:
Subansiria Sahni & SRIVASTAVA, 1956, p. 212
Type Species:
S. ranganensis, OD
Images
(Click to enlarge in a new window)
Fig. 1267, 3a-b. * S. ranganensis, holotype, dorsal and ventral views, X1 (Sahni & Srivastava, 1956).”
Synonyms
Geographic Distribution
India
Age Range
Beginning Stage in Treatise Usage:
Carboniferous (?Pennsylvanian)
Beginning International Stage:
Bashkirian
Fraction Up In Beginning Stage:
0
Beginning Date:
323.4
Ending Stage in Treatise Usage:
Carboniferous (?Pennsylvanian)
Ending International Stage:
Gzhelian
Fraction Up In Ending Stage:
100
Ending Date:
298.89
Description
Valves subequally biconvex with low, strongly concave, apsacline ventral interarea, syrinx lacking, delthyrial plate near inner valve surface, otherwise similar to Cyrtella
References
Museum or Author Information
Classification
Phylum:
Brachiopoda
Class:
Rhynchonellata
Order:
Spiriferinida
Superfamily:
Syringothyridoidea
Family:
Syringothyrididae
Formal Genus Name and Reference:
Subansiria Sahni & SRIVASTAVA, 1956, p. 212
Type Species:
S. ranganensis, OD
Images
(Click to enlarge in a new window)
Fig. 1267, 3a-b. * S. ranganensis, holotype, dorsal and ventral views, X1 (Sahni & Srivastava, 1956).”
Synonyms
Geographic Distribution
India
Age Range
Beginning Stage in Treatise Usage:
Carboniferous (?Pennsylvanian)
Beginning International Stage:
Bashkirian
Fraction Up In Beginning Stage:
0
Beginning Date:
323.4
Ending Stage in Treatise Usage:
Carboniferous (?Pennsylvanian)
Ending International Stage:
Gzhelian
Fraction Up In Ending Stage:
100
Ending Date:
298.89
Description
Valves subequally biconvex with low, strongly concave, apsacline ventral interarea, syrinx lacking, delthyrial plate near inner valve surface, otherwise similar to Cyrtella