G. L. Wingard 1993

Full reference
G. L. Wingard. 1993. A detailed taxonomy of Upper Cretaceous and Lower Tertiary Crassatellidae in the Eastern United States - an example of the nature of extinction at the boundary. United States Geological Survey Professional Paper 1535 [M. Kosnik/M. Kosnik/M. Kosnik]
ID number:  7416
Created:  2002-10-31 15:09:48
Modified:  2002-10-31 17:09:48
Taxonomy:  stated without evidence