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Guizhoupecten
Classification
Phylum:
Mollusca
Class:
Bivalvia
Subclass:
Pteriomorphia
Order:
Pterioida
Suborder:
Pteriina
Superfamily:
Pectinacea (scallops and relatives)
Family:
Aviculopectinidae
Subfamily:
Aviculopectininae
Formal Genus Name and Reference:
Guizhoupecten CHEN, 1962, p. 201
Type Species:
G. wangi, OD
Images
(Click to enlarge in a new window)
Fig. C62,2. *G. wangi, U.Perm.(Wuchiaping F.), China; 2a,b, RV ext., LV ext., X1 (Chen, 1962).
Synonyms
Geographic Distribution
Perm. (Leonard.- Guadalup.) , N.Am.(USA); Perm. (Wuchiaping) , China
Age Range
Beginning Stage in Treatise Usage:
Perm. (Leonard.)
Beginning International Stage:
Artinskian
Fraction Up In Beginning Stage:
15
Beginning Date:
289.43
Ending Stage in Treatise Usage:
Perm. (Wuchiapingian.)
Ending International Stage:
Wuchiapingian
Fraction Up In Ending Stage:
100
Ending Date:
254.24
Description
Shell of Streblochondria form, but lacking strong concentric ornamentation, costae of LV intercalate, RV bifurcate, with or without auricular costae, umbonal folds broadly rounded; anterior auricle about twice as long as posterior; resilifer with slight backward obliquity, with additional narrow radial furrow on both anterior and posterior areas of resilifer.
References
Museum or Author Information
Classification
Phylum:
Mollusca
Class:
Bivalvia
Subclass:
Pteriomorphia
Order:
Pterioida
Suborder:
Pteriina
Superfamily:
Pectinacea (scallops and relatives)
Family:
Aviculopectinidae
Subfamily:
Aviculopectininae
Formal Genus Name and Reference:
Guizhoupecten CHEN, 1962, p. 201
Type Species:
G. wangi, OD
Images
(Click to enlarge in a new window)
Fig. C62,2. *G. wangi, U.Perm.(Wuchiaping F.), China; 2a,b, RV ext., LV ext., X1 (Chen, 1962).
Synonyms
Geographic Distribution
Perm. (Leonard.- Guadalup.) , N.Am.(USA); Perm. (Wuchiaping) , China
Age Range
Beginning Stage in Treatise Usage:
Perm. (Leonard.)
Beginning International Stage:
Artinskian
Fraction Up In Beginning Stage:
15
Beginning Date:
289.43
Ending Stage in Treatise Usage:
Perm. (Wuchiapingian.)
Ending International Stage:
Wuchiapingian
Fraction Up In Ending Stage:
100
Ending Date:
254.24
Description
Shell of Streblochondria form, but lacking strong concentric ornamentation, costae of LV intercalate, RV bifurcate, with or without auricular costae, umbonal folds broadly rounded; anterior auricle about twice as long as posterior; resilifer with slight backward obliquity, with additional narrow radial furrow on both anterior and posterior areas of resilifer.