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Tenuichonetes
Classification
Phylum:
Brachiopoda
Class:
Strophomenata
Order:
Productida
Superfamily:
Chonetoidea
Family:
Rugosochonetidae
Formal Genus Name and Reference:
Tenuichonetes Jing & HU, 1978, p. 109
Type Species:
Chonetes tenuilirata СНАО, 1928, p. 26, OD
Images
(Click to enlarge in a new window)
Fig. 267, 3a, b. *T. tenuilirata (Снао), Lower Permian, China, dorsal valve internal mold, ventral valve internal mold, x2$ (Jing & Hu, 1978).
Synonyms
Geographic Distribution
China
Age Range
Beginning Stage in Treatise Usage:
Lower Permian
Beginning International Stage:
Asselian
Fraction Up In Beginning Stage:
0
Beginning Date:
298.89
Ending Stage in Treatise Usage:
Lower Permian
Ending International Stage:
Kungurian
Fraction Up In Ending Stage:
100
Ending Date:
274.37
Description
Shell medium, trapezoidal, shell surface capillate, ventral valve moderately convex, deep ventral sulcus originating at beak, with single plication in sulcus, spines orthomorph oblique, symmetrically arranged, ventral valve interior with long myophragm, dorsal valve interior with cardinal process pit, long median septum, long, straight inner socket ridges parallel to hinge, short anderidia, no brachial ridges.
References
Museum or Author Information
Classification
Phylum:
Brachiopoda
Class:
Strophomenata
Order:
Productida
Superfamily:
Chonetoidea
Family:
Rugosochonetidae
Formal Genus Name and Reference:
Tenuichonetes Jing & HU, 1978, p. 109
Type Species:
Chonetes tenuilirata СНАО, 1928, p. 26, OD
Images
(Click to enlarge in a new window)
Fig. 267, 3a, b. *T. tenuilirata (Снао), Lower Permian, China, dorsal valve internal mold, ventral valve internal mold, x2$ (Jing & Hu, 1978).
Synonyms
Geographic Distribution
China
Age Range
Beginning Stage in Treatise Usage:
Lower Permian
Beginning International Stage:
Asselian
Fraction Up In Beginning Stage:
0
Beginning Date:
298.89
Ending Stage in Treatise Usage:
Lower Permian
Ending International Stage:
Kungurian
Fraction Up In Ending Stage:
100
Ending Date:
274.37
Description
Shell medium, trapezoidal, shell surface capillate, ventral valve moderately convex, deep ventral sulcus originating at beak, with single plication in sulcus, spines orthomorph oblique, symmetrically arranged, ventral valve interior with long myophragm, dorsal valve interior with cardinal process pit, long median septum, long, straight inner socket ridges parallel to hinge, short anderidia, no brachial ridges.