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Cathaysia
Classification
Phylum:
Brachiopoda
Class:
Strophomenata
Order:
Productida
Superfamily:
Productoidea
Family:
Productellidae
Formal Genus Name and Reference:
Cathaysia Ching in Wang, Ching, & FANG, 1966, p. 327
Type Species:
Productus chonetoides CHAO, 1927b, p. 62, OD
Images
(Click to enlarge in a new window)
Fig. 282, 1a-d. * C. chonetoides (Снао), Permian Coal Series, Jiangsu Province, $a, b$, ventral views of two incomplete specimens, Changhsingian, Zhejiang Province, x1}^{\\text { (new) }}$, $c$, replica of dorsal valve interior, Fujian Province, $X_{2}$, $d$, ventral valve exterior, x2$ (Xu & Grant, 1994).
Synonyms
Geographic Distribution
southern China, Caucasus
Age Range
Beginning Stage in Treatise Usage:
Permian (Artinskian)
Beginning International Stage:
Artinskian
Fraction Up In Beginning Stage:
0
Beginning Date:
290.51
Ending Stage in Treatise Usage:
Lower Triassic (?lower Scythian)
Ending International Stage:
Induan
Fraction Up In Ending Stage:
100
Ending Date:
249.88
Description
Small with transverse to quadrate outline, concavoconvex profile, ears distinct, sulcus shallow or absent, ribbing branched, rugae on ears, near hinge only, single large spine on each ear, one or two on each side of trail, ventral muscle scars smooth with slightly excavated adductor scars, prostrate endospines, dorsal interior with numerous endospines
References
Museum or Author Information
Classification
Phylum:
Brachiopoda
Class:
Strophomenata
Order:
Productida
Superfamily:
Productoidea
Family:
Productellidae
Formal Genus Name and Reference:
Cathaysia Ching in Wang, Ching, & FANG, 1966, p. 327
Type Species:
Productus chonetoides CHAO, 1927b, p. 62, OD
Images
(Click to enlarge in a new window)
Fig. 282, 1a-d. * C. chonetoides (Снао), Permian Coal Series, Jiangsu Province, $a, b$, ventral views of two incomplete specimens, Changhsingian, Zhejiang Province, x1}^{\\text { (new) }}$, $c$, replica of dorsal valve interior, Fujian Province, $X_{2}$, $d$, ventral valve exterior, x2$ (Xu & Grant, 1994).
Synonyms
Geographic Distribution
southern China, Caucasus
Age Range
Beginning Stage in Treatise Usage:
Permian (Artinskian)
Beginning International Stage:
Artinskian
Fraction Up In Beginning Stage:
0
Beginning Date:
290.51
Ending Stage in Treatise Usage:
Lower Triassic (?lower Scythian)
Ending International Stage:
Induan
Fraction Up In Ending Stage:
100
Ending Date:
249.88
Description
Small with transverse to quadrate outline, concavoconvex profile, ears distinct, sulcus shallow or absent, ribbing branched, rugae on ears, near hinge only, single large spine on each ear, one or two on each side of trail, ventral muscle scars smooth with slightly excavated adductor scars, prostrate endospines, dorsal interior with numerous endospines