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Chonetella
Classification
Phylum:
Brachiopoda
Subphylum:
Rhynchonelliformea
Class:
Strophomenata
Order:
Productida
Suborder:
Productidina
Superfamily:
Productoidea
Family:
Productellidae
Subfamily:
Productininae (Tribe Chonetellini)
Formal Genus Name and Reference:
Chonetella WAAGEN, 1884, p. 613
Type Species:
Chonetella artiensis KROTOW, 1885, p. 275, OD
Images
(Click to enlarge in a new window)
Fig . 280,1a–d. *C. nasuta, Permian, Kalabagh member, Khisor Range; a, ventral valve exterior, ×1; b, ventral valve interior, ×2; c, ventral valve exterior, ×2; d, dorsal valve interior, ×2 (Grant, 1976).
Synonyms
Geographic Distribution
Pakistan, Salt Range
Age Range
Beginning Stage in Treatise Usage:
Lower Permian (Kungurian)
Beginning International Stage:
Kungurian
Fraction Up In Beginning Stage:
0
Beginning Date:
283.3
Ending Stage in Treatise Usage:
Upper Permian (Capitanian)
Ending International Stage:
Capitanian
Fraction Up In Ending Stage:
100
Ending Date:
259.55
Description
Shell small, highly concavoconvex with dorsal median fold, deep ventral sulcus, shell smooth with growth lines, spines developed, dorsal valve interior with several platelike septa formed from fused papillae, no median septum. Upper Carboniferous (Stephanian)-Permian (Kazanian): Europe, Asia.
References
Museum or Author Information
Classification
Phylum:
Brachiopoda
Subphylum:
Rhynchonelliformea
Class:
Strophomenata
Order:
Productida
Suborder:
Productidina
Superfamily:
Productoidea
Family:
Productellidae
Subfamily:
Productininae (Tribe Chonetellini)
Formal Genus Name and Reference:
Chonetella WAAGEN, 1884, p. 613
Type Species:
Chonetella artiensis KROTOW, 1885, p. 275, OD
Images
(Click to enlarge in a new window)
Fig . 280,1a–d. *C. nasuta, Permian, Kalabagh member, Khisor Range; a, ventral valve exterior, ×1; b, ventral valve interior, ×2; c, ventral valve exterior, ×2; d, dorsal valve interior, ×2 (Grant, 1976).
Synonyms
Geographic Distribution
Pakistan, Salt Range
Age Range
Beginning Stage in Treatise Usage:
Lower Permian (Kungurian)
Beginning International Stage:
Kungurian
Fraction Up In Beginning Stage:
0
Beginning Date:
283.3
Ending Stage in Treatise Usage:
Upper Permian (Capitanian)
Ending International Stage:
Capitanian
Fraction Up In Ending Stage:
100
Ending Date:
259.55
Description
Shell small, highly concavoconvex with dorsal median fold, deep ventral sulcus, shell smooth with growth lines, spines developed, dorsal valve interior with several platelike septa formed from fused papillae, no median septum. Upper Carboniferous (Stephanian)-Permian (Kazanian): Europe, Asia.