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Strophalosia
Classification
Phylum:
Brachiopoda
Class:
Strophomenata
Order:
Productida
Superfamily:
Strophalosioidea
Family:
Strophalosiidae
Formal Genus Name and Reference:
Strophalosia W. KING, 1844, p. 313
Type Species:
S. gerardi W. King, 1846, p. 92, SD Muir-Wood & COOPER, 1960, p. 74
Images
(Click to enlarge in a new window)
Fig. 400, 1 a-c .* S. gerardi W. King, Ladakh, Himalayas, $a, b$, lectotype, viewed ventrally, dorsally, FC D 267, X1.5, $c$, incomplete dorsal valve interior, X1.5 (Brunton, 1966)., -Fig. 400, 1d-f. S. irwinensis Coleman, Callytharra Formation, Carnarvon basin, Australia, $d$, ventral valve exterior, x1.2, e$, ventral valve internal mold, x1.6, f$, dorsal valve interior, x2$ (Archbold, 1986).
Synonyms
Leptaenalosia
Geographic Distribution
Himalayas, Australia ?Arctic Russia, China, Salt Range
Age Range
Beginning Stage in Treatise Usage:
Lower Permian (Sakmarian)
Beginning International Stage:
Sakmarian
Fraction Up In Beginning Stage:
0
Beginning Date:
293.52
Ending Stage in Treatise Usage:
Upper Permian (Kazanian)
Ending International Stage:
Roadian
Fraction Up In Ending Stage:
0
Ending Date:
269.21
Description
Medium, slightly transverse subrounded outline with ill-defined small ears, hinge less than maximum width, ventral interarea wide but short, weak concavoconvex profile, concentric ornament weak ventrally, lamellose dorsally, weak capillation may be present on dorsal valve, spines cover ventral valve, suberect, semirecumbent, lateral ridges ventrally, separating ears, medium septum connected to cardinal process, interrupted at adductor scars, reaching two-thirds disk length.
References
Museum or Author Information
Classification
Phylum:
Brachiopoda
Class:
Strophomenata
Order:
Productida
Superfamily:
Strophalosioidea
Family:
Strophalosiidae
Formal Genus Name and Reference:
Strophalosia W. KING, 1844, p. 313
Type Species:
S. gerardi W. King, 1846, p. 92, SD Muir-Wood & COOPER, 1960, p. 74
Images
(Click to enlarge in a new window)
Fig. 400, 1 a-c .* S. gerardi W. King, Ladakh, Himalayas, $a, b$, lectotype, viewed ventrally, dorsally, FC D 267, X1.5, $c$, incomplete dorsal valve interior, X1.5 (Brunton, 1966)., -Fig. 400, 1d-f. S. irwinensis Coleman, Callytharra Formation, Carnarvon basin, Australia, $d$, ventral valve exterior, x1.2, e$, ventral valve internal mold, x1.6, f$, dorsal valve interior, x2$ (Archbold, 1986).
Synonyms
Leptaenalosia
Geographic Distribution
Himalayas, Australia ?Arctic Russia, China, Salt Range
Age Range
Beginning Stage in Treatise Usage:
Lower Permian (Sakmarian)
Beginning International Stage:
Sakmarian
Fraction Up In Beginning Stage:
0
Beginning Date:
293.52
Ending Stage in Treatise Usage:
Upper Permian (Kazanian)
Ending International Stage:
Roadian
Fraction Up In Ending Stage:
0
Ending Date:
269.21
Description
Medium, slightly transverse subrounded outline with ill-defined small ears, hinge less than maximum width, ventral interarea wide but short, weak concavoconvex profile, concentric ornament weak ventrally, lamellose dorsally, weak capillation may be present on dorsal valve, spines cover ventral valve, suberect, semirecumbent, lateral ridges ventrally, separating ears, medium septum connected to cardinal process, interrupted at adductor scars, reaching two-thirds disk length.