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Buchotrigonia
Classification
Phylum:
Mollusca
Class:
Bivalvia
Subclass:
Palaeoheterodonta
Order:
Trigonioida
Superfamily:
Trigoniacea
Family:
Trigoniidae
Formal Genus Name and Reference:
Buchotrigonia DIETRICH, 1938, p. 97
Type Species:
Trigonia abrupta von BUCH, 1838, p. 65, M
Images
(Click to enlarge in a new window)
Fig. D68,1. *B. (B.) abrupta (VON BUCH), L.Cret., Colombia; LV ext., X1 (Dietrich, 1938)
Synonyms
Geographic Distribution
S.Am.-Spain-Syria-N.Z.
Age Range
Beginning Stage in Treatise Usage:
L.Cret.
Beginning International Stage:
Berriasian
Fraction Up In Beginning Stage:
0
Beginning Date:
143.1
Ending Stage in Treatise Usage:
U.Cret.
Ending International Stage:
Maastrichtian
Fraction Up In Ending Stage:
100
Ending Date:
66.04
Description
Trigonal, short, area wide, transversely ribbed in early growth stages, later smooth, flank with narrow, non-tuberculate costae discrepantly or obliquely arranged
References
Museum or Author Information
Classification
Phylum:
Mollusca
Class:
Bivalvia
Subclass:
Palaeoheterodonta
Order:
Trigonioida
Superfamily:
Trigoniacea
Family:
Trigoniidae
Formal Genus Name and Reference:
Buchotrigonia DIETRICH, 1938, p. 97
Type Species:
Trigonia abrupta von BUCH, 1838, p. 65, M
Images
(Click to enlarge in a new window)
Fig. D68,1. *B. (B.) abrupta (VON BUCH), L.Cret., Colombia; LV ext., X1 (Dietrich, 1938)
Synonyms
Geographic Distribution
S.Am.-Spain-Syria-N.Z.
Age Range
Beginning Stage in Treatise Usage:
L.Cret.
Beginning International Stage:
Berriasian
Fraction Up In Beginning Stage:
0
Beginning Date:
143.1
Ending Stage in Treatise Usage:
U.Cret.
Ending International Stage:
Maastrichtian
Fraction Up In Ending Stage:
100
Ending Date:
66.04
Description
Trigonal, short, area wide, transversely ribbed in early growth stages, later smooth, flank with narrow, non-tuberculate costae discrepantly or obliquely arranged