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Acosarina
Classification
Phylum:
Brachiopoda
Class:
Rhynchonellata
Order:
Orthida
Superfamily:
Enteletoidea
Family:
Schizophoriidae
Formal Genus Name and Reference:
Acosarina Cooper & GRANT, 1969, p. 2
Type Species:
A. dorsisulcata, OD
Images
(Click to enlarge in a new window)
Fig. 614, 1a-i. *A. dorsisulcata, middle Permian, Texas, a-e, ventral, dorsal, anterior, posterior, lateral views of conjoined valves, X1, f, ventral interior, X2, g, h, normal, tilted views of dorsal interior, X2, i, dorsal interior, X2 (Cooper & Grant, 1976).
Synonyms
Geographic Distribution
USA (Texas, New Mexico), China, Thailand, Venezuela
Age Range
Beginning Stage in Treatise Usage:
Upper Carboniferous
Beginning International Stage:
Bashkirian
Fraction Up In Beginning Stage:
0
Beginning Date:
323.4
Ending Stage in Treatise Usage:
Upper Permian
Ending International Stage:
Changhsingian
Fraction Up In Ending Stage:
100
Ending Date:
251.9
Description
Transversely semioval, medium-sized, biconvex valves, ventral interior with small teeth, large fossettes, and short dental plates, dorsal interior with widely divergent brachiophore plates and deep sockets
References
Museum or Author Information
Classification
Phylum:
Brachiopoda
Class:
Rhynchonellata
Order:
Orthida
Superfamily:
Enteletoidea
Family:
Schizophoriidae
Formal Genus Name and Reference:
Acosarina Cooper & GRANT, 1969, p. 2
Type Species:
A. dorsisulcata, OD
Images
(Click to enlarge in a new window)
Fig. 614, 1a-i. *A. dorsisulcata, middle Permian, Texas, a-e, ventral, dorsal, anterior, posterior, lateral views of conjoined valves, X1, f, ventral interior, X2, g, h, normal, tilted views of dorsal interior, X2, i, dorsal interior, X2 (Cooper & Grant, 1976).
Synonyms
Geographic Distribution
USA (Texas, New Mexico), China, Thailand, Venezuela
Age Range
Beginning Stage in Treatise Usage:
Upper Carboniferous
Beginning International Stage:
Bashkirian
Fraction Up In Beginning Stage:
0
Beginning Date:
323.4
Ending Stage in Treatise Usage:
Upper Permian
Ending International Stage:
Changhsingian
Fraction Up In Ending Stage:
100
Ending Date:
251.9
Description
Transversely semioval, medium-sized, biconvex valves, ventral interior with small teeth, large fossettes, and short dental plates, dorsal interior with widely divergent brachiophore plates and deep sockets