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Schizopholis
Classification
Phylum:
Brachiopoda
Class:
Lingulata
Order:
Lingulida
Superfamily:
Acrotheloidea
Family:
Acrothelidae
Formal Genus Name and Reference:
Schizopholis Waagen, 1885, p. 752, Discinolepis WAAGEN, 1885, p. 749 (type, D. granulata)
Type Species:
S. rugosa, OD
Images
(Click to enlarge in a new window)
Fig. 45, 2a-d. * S. rugosa, Neobolus Beds, Salt Range, Pakistan, $a, b$, ventral valve exterior, posterior view, x5}$, c, dorsal internal mold, x5}$, d, dorsal valve exterior, x5}$ (Rowell, 1965a).
Synonyms
Discinolepis
Geographic Distribution
Pakistan, ?Kazakhstan
Age Range
Beginning Stage in Treatise Usage:
Lower Cambrian
Beginning International Stage:
Fortunian
Fraction Up In Beginning Stage:
0
Beginning Date:
538.8
Ending Stage in Treatise Usage:
Lower Cambrian
Ending International Stage:
Cambrian Stage 4
Fraction Up In Ending Stage:
40
Ending Date:
512.3
Description
Shell ventribiconvex, subcircular, ventral valve with submarginal beak, pedicle opening long, narrow slit immediately posterior to apex, not extending to posterior margin, ventral interior with broad, subparallel, submedian vascula lateralia, dorsal interior with long, broad median ridge, extending anteriorly beyond midvalve, other internal characters poorly known
References
Museum or Author Information
Classification
Phylum:
Brachiopoda
Class:
Lingulata
Order:
Lingulida
Superfamily:
Acrotheloidea
Family:
Acrothelidae
Formal Genus Name and Reference:
Schizopholis Waagen, 1885, p. 752, Discinolepis WAAGEN, 1885, p. 749 (type, D. granulata)
Type Species:
S. rugosa, OD
Images
(Click to enlarge in a new window)
Fig. 45, 2a-d. * S. rugosa, Neobolus Beds, Salt Range, Pakistan, $a, b$, ventral valve exterior, posterior view, x5}$, c, dorsal internal mold, x5}$, d, dorsal valve exterior, x5}$ (Rowell, 1965a).
Synonyms
Discinolepis
Geographic Distribution
Pakistan, ?Kazakhstan
Age Range
Beginning Stage in Treatise Usage:
Lower Cambrian
Beginning International Stage:
Fortunian
Fraction Up In Beginning Stage:
0
Beginning Date:
538.8
Ending Stage in Treatise Usage:
Lower Cambrian
Ending International Stage:
Cambrian Stage 4
Fraction Up In Ending Stage:
40
Ending Date:
512.3
Description
Shell ventribiconvex, subcircular, ventral valve with submarginal beak, pedicle opening long, narrow slit immediately posterior to apex, not extending to posterior margin, ventral interior with broad, subparallel, submedian vascula lateralia, dorsal interior with long, broad median ridge, extending anteriorly beyond midvalve, other internal characters poorly known