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Bakevellia
Classification
Phylum:
Mollusca
Class:
Bivalvia
Subclass:
Pteriomorphia
Order:
Pterioida
Suborder:
Pteriina
Superfamily:
Pteriacea
Family:
Bakevelliidae
Formal Genus Name and Reference:
Bakevellia KING, 1848, p. 10
Type Species:
Avicula binneyi BROWN, 1841, p. 65, OD
Images
(Click to enlarge in a new window)
Fig. C40,1a-d. *B. (B.) binneyi (Brown), U.Perm., Eng., 1a-d, LV ext., RV ext., LV int. showing adductor scars, dorsal view, all X1 (King, 1850)., Fig. C40, le. B. costata (von SchlothE1m), M.Trias., Ger., LV int., X2 (Credner, 1851).
Synonyms
Geographic Distribution
Perm.Cret., cosmop.
Age Range
Beginning Stage in Treatise Usage:
Perm.
Beginning International Stage:
Asselian
Fraction Up In Beginning Stage:
0
Beginning Date:
298.89
Ending Stage in Treatise Usage:
Cret.
Ending International Stage:
Maastrichtian
Fraction Up In Ending Stage:
100
Ending Date:
66.04
Description
Small to medium-sized, trapeziform or rhomboidal, not greatly elongated, anterior auricle small to moderately large, posterior wing obtuse or with acutely pointed tip, never strongly inequivalve, anterior gape narrow.
References
Museum or Author Information
Classification
Phylum:
Mollusca
Class:
Bivalvia
Subclass:
Pteriomorphia
Order:
Pterioida
Suborder:
Pteriina
Superfamily:
Pteriacea
Family:
Bakevelliidae
Formal Genus Name and Reference:
Bakevellia KING, 1848, p. 10
Type Species:
Avicula binneyi BROWN, 1841, p. 65, OD
Images
(Click to enlarge in a new window)
Fig. C40,1a-d. *B. (B.) binneyi (Brown), U.Perm., Eng., 1a-d, LV ext., RV ext., LV int. showing adductor scars, dorsal view, all X1 (King, 1850)., Fig. C40, le. B. costata (von SchlothE1m), M.Trias., Ger., LV int., X2 (Credner, 1851).
Synonyms
Geographic Distribution
Perm.Cret., cosmop.
Age Range
Beginning Stage in Treatise Usage:
Perm.
Beginning International Stage:
Asselian
Fraction Up In Beginning Stage:
0
Beginning Date:
298.89
Ending Stage in Treatise Usage:
Cret.
Ending International Stage:
Maastrichtian
Fraction Up In Ending Stage:
100
Ending Date:
66.04
Description
Small to medium-sized, trapeziform or rhomboidal, not greatly elongated, anterior auricle small to moderately large, posterior wing obtuse or with acutely pointed tip, never strongly inequivalve, anterior gape narrow.