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Spinochonetes
Classification
Phylum:
Brachiopoda
Class:
Strophomenata
Order:
Productida
Superfamily:
Chonetoidea
Family:
Strophochonetidae
Formal Genus Name and Reference:
Spinochonetes Rong, Xu, & YANG, 1974, p. 203
Type Species:
S. notata, OD
Images
(Click to enlarge in a new window)
Fig. 245, 3a. *S. notata, Telychian, central China, ventral valve internal mold, x6$ (Rong, Xu , & Yang, 1974).", "Fig. 245, 3b. S. subrectangularis (Yang & Rong), Telychian, central China, dorsal valve interior, x5$ (Rong, Xu , & Yang, 1974)."
Synonyms
Shiqianella, Megaspinochonetes
Geographic Distribution
southern China (Sichuan, Guizhou, Hunan, Hubei)
Age Range
Beginning Stage in Treatise Usage:
lower Silurian (upper Llandovery)
Beginning International Stage:
Telychian
Fraction Up In Beginning Stage:
0
Beginning Date:
438.59
Ending Stage in Treatise Usage:
lower Silurian (lower Wenlock)
Ending International Stage:
Sheinwoodian
Fraction Up In Ending Stage:
100
Ending Date:
430.62
Description
Shell small, gently to strongly concavoconvex, only one orthomorph vertical spine originating from ventral umbo, median enlarged costa well developed, ventral, dorsal muscle field more or less impressed with variably developed surrounding ridges
References
Museum or Author Information
Classification
Phylum:
Brachiopoda
Class:
Strophomenata
Order:
Productida
Superfamily:
Chonetoidea
Family:
Strophochonetidae
Formal Genus Name and Reference:
Spinochonetes Rong, Xu, & YANG, 1974, p. 203
Type Species:
S. notata, OD
Images
(Click to enlarge in a new window)
Fig. 245, 3a. *S. notata, Telychian, central China, ventral valve internal mold, x6$ (Rong, Xu , & Yang, 1974).", "Fig. 245, 3b. S. subrectangularis (Yang & Rong), Telychian, central China, dorsal valve interior, x5$ (Rong, Xu , & Yang, 1974)."
Synonyms
Shiqianella, Megaspinochonetes
Geographic Distribution
southern China (Sichuan, Guizhou, Hunan, Hubei)
Age Range
Beginning Stage in Treatise Usage:
lower Silurian (upper Llandovery)
Beginning International Stage:
Telychian
Fraction Up In Beginning Stage:
0
Beginning Date:
438.59
Ending Stage in Treatise Usage:
lower Silurian (lower Wenlock)
Ending International Stage:
Sheinwoodian
Fraction Up In Ending Stage:
100
Ending Date:
430.62
Description
Shell small, gently to strongly concavoconvex, only one orthomorph vertical spine originating from ventral umbo, median enlarged costa well developed, ventral, dorsal muscle field more or less impressed with variably developed surrounding ridges