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Corbicellopsis
Classification
Phylum:
Mollusca
Class:
Bivalvia
Subclass:
Heterodonta
Order:
Veneroida
Superfamily:
Tellinacea
Family:
Tancrediidae
Formal Genus Name and Reference:
Corbicellopsis COX, 1929, p. 577
Type Species:
Corbis laevis J. de C. SOWERBY, 1827, p. 156, OD
Images
(Click to enlarge in a new window)
Fig. E123,7. *C. laevis, U.Jur.(Oxford), Eng., 7a, b, RV ext. and hinge, X1 (19f).
Synonyms
Corbicella
Geographic Distribution
Eu.
Age Range
Beginning Stage in Treatise Usage:
M.Jur.(Bajoc.)
Beginning International Stage:
Bajocian
Fraction Up In Beginning Stage:
0
Beginning Date:
170.9
Ending Stage in Treatise Usage:
L.Cret.
Ending International Stage:
Albian
Fraction Up In Ending Stage:
100
Ending Date:
100.5
Description
Of medium to large size, ovate, anterior taper less pronounced than in Tancredia, equilateral or with beaks anterior to mid-length, no posterior gape, nymphs prominent, cardinal teeth 1 or 2 in each valve, posterior laterals well developed except in smaller species; anterior laterals weak, indistinguishable in some forms; adductor scars small, subequal, placed in rather dorsal position; pallial line remote from ventral margin, bending up abruptly to meet posterioradductor.
References
Cox, L. R., 1929, A synopsis of the Lamellibranchia and Gastropoda of the Portland beds of England. Part 1. Lamellibranchia: Dorset Nat. History \& Arch. Soc., Proc., v. 50, p. 131-202, pl. 1-6.
Museum or Author Information
Classification
Phylum:
Mollusca
Class:
Bivalvia
Subclass:
Heterodonta
Order:
Veneroida
Superfamily:
Tellinacea
Family:
Tancrediidae
Formal Genus Name and Reference:
Corbicellopsis COX, 1929, p. 577
Type Species:
Corbis laevis J. de C. SOWERBY, 1827, p. 156, OD
Images
(Click to enlarge in a new window)
Fig. E123,7. *C. laevis, U.Jur.(Oxford), Eng., 7a, b, RV ext. and hinge, X1 (19f).
Synonyms
Corbicella
Geographic Distribution
Eu.
Age Range
Beginning Stage in Treatise Usage:
M.Jur.(Bajoc.)
Beginning International Stage:
Bajocian
Fraction Up In Beginning Stage:
0
Beginning Date:
170.9
Ending Stage in Treatise Usage:
L.Cret.
Ending International Stage:
Albian
Fraction Up In Ending Stage:
100
Ending Date:
100.5
Description
Of medium to large size, ovate, anterior taper less pronounced than in Tancredia, equilateral or with beaks anterior to mid-length, no posterior gape, nymphs prominent, cardinal teeth 1 or 2 in each valve, posterior laterals well developed except in smaller species; anterior laterals weak, indistinguishable in some forms; adductor scars small, subequal, placed in rather dorsal position; pallial line remote from ventral margin, bending up abruptly to meet posterioradductor.
References
Cox, L. R., 1929, A synopsis of the Lamellibranchia and Gastropoda of the Portland beds of England. Part 1. Lamellibranchia: Dorset Nat. History \& Arch. Soc., Proc., v. 50, p. 131-202, pl. 1-6.