Welcome to the Treatise on Invertebrate Paleontology!
Please enter a genera name to retrieve more information.
Veniella
Classification
Phylum:
Mollusca
Class:
Bivalvia
Subclass:
Heterodonta
Order:
Veneroida
Superfamily:
Arcticacea
Family:
Arcticidae
Formal Genus Name and Reference:
Veniella STOLICZKA, 1870
Type Species:
Venilia conradi MORTON, 1833, M
Images
(Click to enlarge in a new window)
Fig. E129,6. *V. conradi (Morton), USA(Miss.), 6a,b, LV int., RV hinge, X1 (Casey, n).
Synonyms
Goniosoma, Cicatrea, Roudairia, Trigonocardia, Platopis, Venetia, Venniella
Geographic Distribution
Asia-Afr.-W. Indies-N.Am.-S.Am.
Age Range
Beginning Stage in Treatise Usage:
U.Cret.
Beginning International Stage:
Cenomanian
Fraction Up In Beginning Stage:
0
Beginning Date:
100.5
Ending Stage in Treatise Usage:
U.Cret.
Ending International Stage:
Maastrichtian
Fraction Up In Ending Stage:
100
Ending Date:
66.04
Description
Subtrapezoidal and moderately ventricose in young, obliquely subtrigonal and strongly ventricose in adult, umbones prominent, beaks prosogyrate, posterior carina strong, surface with distant thickened concentric lamellae, hinge massive, laterals crossstriate, 3a and 3b united in hook-shaped structure inserted posterior to tubercular tooth 1, pallial line truncate posteriorly
References
Museum or Author Information
Classification
Phylum:
Mollusca
Class:
Bivalvia
Subclass:
Heterodonta
Order:
Veneroida
Superfamily:
Arcticacea
Family:
Arcticidae
Formal Genus Name and Reference:
Veniella STOLICZKA, 1870
Type Species:
Venilia conradi MORTON, 1833, M
Images
(Click to enlarge in a new window)
Fig. E129,6. *V. conradi (Morton), USA(Miss.), 6a,b, LV int., RV hinge, X1 (Casey, n).
Synonyms
Goniosoma, Cicatrea, Roudairia, Trigonocardia, Platopis, Venetia, Venniella
Geographic Distribution
Asia-Afr.-W. Indies-N.Am.-S.Am.
Age Range
Beginning Stage in Treatise Usage:
U.Cret.
Beginning International Stage:
Cenomanian
Fraction Up In Beginning Stage:
0
Beginning Date:
100.5
Ending Stage in Treatise Usage:
U.Cret.
Ending International Stage:
Maastrichtian
Fraction Up In Ending Stage:
100
Ending Date:
66.04
Description
Subtrapezoidal and moderately ventricose in young, obliquely subtrigonal and strongly ventricose in adult, umbones prominent, beaks prosogyrate, posterior carina strong, surface with distant thickened concentric lamellae, hinge massive, laterals crossstriate, 3a and 3b united in hook-shaped structure inserted posterior to tubercular tooth 1, pallial line truncate posteriorly