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Acanthopecten
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:
Acanthopecten GIRTY, 1903, p. 417
Type Species:
Pecten carboniferus STEVENS, 1858, p. 261, OD
Images
(Click to enlarge in a new window)
Fig. C60,1.A. carboniferus (STEVENS), V.Penn., VSA(Neb.); la,b, RV ext., LV ext., X2 (663).
Synonyms
Geographic Distribution
cosmop
Age Range
Beginning Stage in Treatise Usage:
L.Carb.
Beginning International Stage:
Tournaisian
Fraction Up In Beginning Stage:
0
Beginning Date:
359.3
Ending Stage in Treatise Usage:
U.Perm.
Ending International Stage:
Changhsingian
Fraction Up In Ending Stage:
100
Ending Date:
251.9
Description
Upright, orbicular shells with elongate, slender auricles, of which posterior is only slightly longer than anterior, costae coarse, not increasing in number during later ontogeny, crossed on LV, rarely on RV by regular imbricating growth lamellae which are extended peripherally between costae in short spines
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:
Acanthopecten GIRTY, 1903, p. 417
Type Species:
Pecten carboniferus STEVENS, 1858, p. 261, OD
Images
(Click to enlarge in a new window)
Fig. C60,1.A. carboniferus (STEVENS), V.Penn., VSA(Neb.); la,b, RV ext., LV ext., X2 (663).
Synonyms
Geographic Distribution
cosmop
Age Range
Beginning Stage in Treatise Usage:
L.Carb.
Beginning International Stage:
Tournaisian
Fraction Up In Beginning Stage:
0
Beginning Date:
359.3
Ending Stage in Treatise Usage:
U.Perm.
Ending International Stage:
Changhsingian
Fraction Up In Ending Stage:
100
Ending Date:
251.9
Description
Upright, orbicular shells with elongate, slender auricles, of which posterior is only slightly longer than anterior, costae coarse, not increasing in number during later ontogeny, crossed on LV, rarely on RV by regular imbricating growth lamellae which are extended peripherally between costae in short spines