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Acesta
Classification
Phylum:
Mollusca
Class:
Bivalvia
Subclass:
Pteriomorphia
Order:
Pterioida
Suborder:
Pteriina
Superfamily:
Limacea
Family:
Limidae
Formal Genus Name and Reference:
Acesta Adams & ADAMS, 1858, p. 558
Type Species:
Ostrea excavata FABRICIUS, 1779, p. 368, M
Images
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Synonyms
Geographic Distribution
U.Jur.-Rec., cosmop.
Age Range
Beginning Stage in Treatise Usage:
U.Jur.
Beginning International Stage:
Oxfordian
Fraction Up In Beginning Stage:
0
Beginning Date:
161.53
Ending Stage in Treatise Usage:
Rec.
Ending International Stage:
Meghalayan
Fraction Up In Ending Stage:
100
Ending Date:
0
Description
Large, thinshelled, ovate, inequilateral, ventricose, with moderate byssal gape, anterior umbonal ridge illdefined, anterior auricle reduced, cardinal area mainly posterior to beak, ligament pit broad, curved
References
Museum or Author Information
Classification
Phylum:
Mollusca
Class:
Bivalvia
Subclass:
Pteriomorphia
Order:
Pterioida
Suborder:
Pteriina
Superfamily:
Limacea
Family:
Limidae
Formal Genus Name and Reference:
Acesta Adams & ADAMS, 1858, p. 558
Type Species:
Ostrea excavata FABRICIUS, 1779, p. 368, M
Images
(Click to enlarge in a new window)Synonyms
Geographic Distribution
U.Jur.-Rec., cosmop.
Age Range
Beginning Stage in Treatise Usage:
U.Jur.
Beginning International Stage:
Oxfordian
Fraction Up In Beginning Stage:
0
Beginning Date:
161.53
Ending Stage in Treatise Usage:
Rec.
Ending International Stage:
Meghalayan
Fraction Up In Ending Stage:
100
Ending Date:
0
Description
Large, thinshelled, ovate, inequilateral, ventricose, with moderate byssal gape, anterior umbonal ridge illdefined, anterior auricle reduced, cardinal area mainly posterior to beak, ligament pit broad, curved