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Orulgania
Classification
Phylum:
Brachiopoda
Class:
Rhynchonellata
Order:
Spiriferinida
Superfamily:
Syringothyridoidea
Family:
Licharewiidae
Formal Genus Name and Reference:
Orulgania Solomina & CHERNIAK, 1961, p. 61
Type Species:
O. naumovi, OD
Images
(Click to enlarge in a new window)
Fig. 1271, 1. *O. naumovi, holotype, ventral view, X1 (new).
Synonyms
Geographic Distribution
Russia
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
Medium size, outline variable, usually transverse, umbonal region broad, poorly delineated, beak slightly incurved, sulcus smooth to weakly ribbed, fold usually with median furrow, lateral slopes with moderately numerous flattened, simple ribs, ventral interarea moderately high, flattened to moderately concave, apsacline, ventral interior with very long, straight, evenly thickened dental adminicula, delthyrial plate recessed well below plane of ventral interarea, umbonal callus moderate.
References
Museum or Author Information
Classification
Phylum:
Brachiopoda
Class:
Rhynchonellata
Order:
Spiriferinida
Superfamily:
Syringothyridoidea
Family:
Licharewiidae
Formal Genus Name and Reference:
Orulgania Solomina & CHERNIAK, 1961, p. 61
Type Species:
O. naumovi, OD
Images
(Click to enlarge in a new window)
Fig. 1271, 1. *O. naumovi, holotype, ventral view, X1 (new).
Synonyms
Geographic Distribution
Russia
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
Medium size, outline variable, usually transverse, umbonal region broad, poorly delineated, beak slightly incurved, sulcus smooth to weakly ribbed, fold usually with median furrow, lateral slopes with moderately numerous flattened, simple ribs, ventral interarea moderately high, flattened to moderately concave, apsacline, ventral interior with very long, straight, evenly thickened dental adminicula, delthyrial plate recessed well below plane of ventral interarea, umbonal callus moderate.