Welcome to the Treatise on Invertebrate Paleontology!
Please enter a genera name to retrieve more information.
Protocardia
Classification
Phylum:
Mollusca
Class:
Bivalvia
Subclass:
Heterodonta
Order:
Veneroida
Superfamily:
Cardiacea
Family:
Cardiidae (cockles)
Subfamily:
Protocardiinae
Formal Genus Name and Reference:
Protocardia Von BEYRICH, 1845
Type Species:
Cardium hillanum Sowerby, 1813, SD HERRMANNSEN, 1847
Images
(Click to enlarge in a new window)
Fig. E86,4. *P. (P.) hillana (Sowerby), L.Cret., Eng., 4a-c, LV ext., int., RV hinge, X0.5 (1006)
Synonyms
Hassbergia
Geographic Distribution
Eu.-N.Am.-S.Am.-Afr.
Age Range
Beginning Stage in Treatise Usage:
U.Trias.
Beginning International Stage:
Carnian
Fraction Up In Beginning Stage:
0
Beginning Date:
237
Ending Stage in Treatise Usage:
U.Cret.
Ending International Stage:
Maastrichtian
Fraction Up In Ending Stage:
100
Ending Date:
66.04
Description
Posterior slope with radial ribs in most, remainder of shell with more or less well developed concentric ribs
References
Museum or Author Information
Classification
Phylum:
Mollusca
Class:
Bivalvia
Subclass:
Heterodonta
Order:
Veneroida
Superfamily:
Cardiacea
Family:
Cardiidae (cockles)
Subfamily:
Protocardiinae
Formal Genus Name and Reference:
Protocardia Von BEYRICH, 1845
Type Species:
Cardium hillanum Sowerby, 1813, SD HERRMANNSEN, 1847
Images
(Click to enlarge in a new window)
Fig. E86,4. *P. (P.) hillana (Sowerby), L.Cret., Eng., 4a-c, LV ext., int., RV hinge, X0.5 (1006)
Synonyms
Hassbergia
Geographic Distribution
Eu.-N.Am.-S.Am.-Afr.
Age Range
Beginning Stage in Treatise Usage:
U.Trias.
Beginning International Stage:
Carnian
Fraction Up In Beginning Stage:
0
Beginning Date:
237
Ending Stage in Treatise Usage:
U.Cret.
Ending International Stage:
Maastrichtian
Fraction Up In Ending Stage:
100
Ending Date:
66.04
Description
Posterior slope with radial ribs in most, remainder of shell with more or less well developed concentric ribs