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Licharewia
Classification
Phylum:
Brachiopoda
Class:
Rhynchonellata
Order:
Spiriferinida
Superfamily:
Syringothyridoidea
Family:
Licharewiidae
Formal Genus Name and Reference:
Licharewia EINOR, 1939, p. 69
Type Species:
Spirifer stuckenbergi NECHAEV, 1900, p. 18, OD
Images
(Click to enlarge in a new window)
Fig. 1270, 1a-d. *L. stuckenbergi (NeChaEv), holotype, ventral, dorsal, anterior, and lateral views, X1 (new).
Synonyms
Rugulatia
Geographic Distribution
Russia
Age Range
Beginning Stage in Treatise Usage:
Permian (Lopingian)
Beginning International Stage:
Wuchiapingian
Fraction Up In Beginning Stage:
0
Beginning Date:
259.55
Ending Stage in Treatise Usage:
Permian (Lopingian)
Ending International Stage:
Changhsingian
Fraction Up In Ending Stage:
100
Ending Date:
251.9
Description
Medium size, usually transverse with greatest width at or near hinge line, umbonal region moderately inflated and defined, cardinal extremities subangular to rounded, ventral beak moderately incurved, ventral interarea low to moderately high, concave, apsacline to orthocline, floor of sulcus smooth, sides of sulcus sometimes with weak ribs, fold smooth, flanks with moderately numerous rounded, simple, or very rarely bifurcating costae, microornament of short, weak striae crudely arranged in quincunx, dental adminicula stout, curved, diverging, much thickened by layered callus deposits, simulating delthyrial plate, sparsely punctate
References
Museum or Author Information
Classification
Phylum:
Brachiopoda
Class:
Rhynchonellata
Order:
Spiriferinida
Superfamily:
Syringothyridoidea
Family:
Licharewiidae
Formal Genus Name and Reference:
Licharewia EINOR, 1939, p. 69
Type Species:
Spirifer stuckenbergi NECHAEV, 1900, p. 18, OD
Images
(Click to enlarge in a new window)
Fig. 1270, 1a-d. *L. stuckenbergi (NeChaEv), holotype, ventral, dorsal, anterior, and lateral views, X1 (new).
Synonyms
Rugulatia
Geographic Distribution
Russia
Age Range
Beginning Stage in Treatise Usage:
Permian (Lopingian)
Beginning International Stage:
Wuchiapingian
Fraction Up In Beginning Stage:
0
Beginning Date:
259.55
Ending Stage in Treatise Usage:
Permian (Lopingian)
Ending International Stage:
Changhsingian
Fraction Up In Ending Stage:
100
Ending Date:
251.9
Description
Medium size, usually transverse with greatest width at or near hinge line, umbonal region moderately inflated and defined, cardinal extremities subangular to rounded, ventral beak moderately incurved, ventral interarea low to moderately high, concave, apsacline to orthocline, floor of sulcus smooth, sides of sulcus sometimes with weak ribs, fold smooth, flanks with moderately numerous rounded, simple, or very rarely bifurcating costae, microornament of short, weak striae crudely arranged in quincunx, dental adminicula stout, curved, diverging, much thickened by layered callus deposits, simulating delthyrial plate, sparsely punctate