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Semiproductus
Classification
Phylum:
Brachiopoda
Class:
Strophomenata
Order:
Productida
Superfamily:
Productoidea
Family:
Productidae
Formal Genus Name and Reference:
Semiproductus BUBLICHENKO, 1956, p. 99
Type Species:
S. minax, OD
Images
(Click to enlarge in a new window)
Fig. 326, 1a, b. *S. minax, lower Tournaisian, Kazakhstan, $a$, holotype, external mold of dorsal valve plus fragment of ventral valve to top right, ×0.8 (Bublichenko, 1956), b, internal mold of ventral valve, x1$ (Bublichenko, 1971)., Fig. 326, 1c-e. S. etheridgei McKellar, uppermost Famennian, Queensland, $c$, holotype, ventral valve exterior, GSQ F4088, X1.5, d, e, replicas of dorsal valve exterior, interior, X1.5 (McKellar, 1970).
Synonyms
Geographic Distribution
Ural Mountains, Asia, northern Australia
Age Range
Beginning Stage in Treatise Usage:
Upper Upper Devonian (upper Famennian)
Beginning International Stage:
Famennian
Fraction Up In Beginning Stage:
50
Beginning Date:
365.2
Ending Stage in Treatise Usage:
lower Carboniferous (lower Tournaisian)
Ending International Stage:
Tournaisian
Fraction Up In Ending Stage:
33
Ending Date:
355.15
Description
Size medium, around 35 mm, outline subquadrate to elongate with broad sulcus anteriorly, ventral profile strongly convex, rugae weak or incomplete on disks with elongate spine bases, spines on weak ribs on ventral trail, lateral ridges prominent, but short. Upper Upper Devonian (upper Famennian)-lower Carboniferous (lower Tournaisian).
References
Museum or Author Information
Classification
Phylum:
Brachiopoda
Class:
Strophomenata
Order:
Productida
Superfamily:
Productoidea
Family:
Productidae
Formal Genus Name and Reference:
Semiproductus BUBLICHENKO, 1956, p. 99
Type Species:
S. minax, OD
Images
(Click to enlarge in a new window)
Fig. 326, 1a, b. *S. minax, lower Tournaisian, Kazakhstan, $a$, holotype, external mold of dorsal valve plus fragment of ventral valve to top right, ×0.8 (Bublichenko, 1956), b, internal mold of ventral valve, x1$ (Bublichenko, 1971)., Fig. 326, 1c-e. S. etheridgei McKellar, uppermost Famennian, Queensland, $c$, holotype, ventral valve exterior, GSQ F4088, X1.5, d, e, replicas of dorsal valve exterior, interior, X1.5 (McKellar, 1970).
Synonyms
Geographic Distribution
Ural Mountains, Asia, northern Australia
Age Range
Beginning Stage in Treatise Usage:
Upper Upper Devonian (upper Famennian)
Beginning International Stage:
Famennian
Fraction Up In Beginning Stage:
50
Beginning Date:
365.2
Ending Stage in Treatise Usage:
lower Carboniferous (lower Tournaisian)
Ending International Stage:
Tournaisian
Fraction Up In Ending Stage:
33
Ending Date:
355.15
Description
Size medium, around 35 mm, outline subquadrate to elongate with broad sulcus anteriorly, ventral profile strongly convex, rugae weak or incomplete on disks with elongate spine bases, spines on weak ribs on ventral trail, lateral ridges prominent, but short. Upper Upper Devonian (upper Famennian)-lower Carboniferous (lower Tournaisian).