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 /
Wingard, G. Lynn.
Geological Survey (U.S.)
Washington : U.S. G.P.O. ; Denver, CO : For sale by U.S. Geological Survey, Map Distribution,
1993.
Spine title: Cretaceous and Tertiary Crassatellidae, eastern United States.
"U.S. Department of the Interior, U.S. Geological Survey"--T.p. verso.
Shipping list no.: 94-0128-P.
Includes bibliographical references (p. 96-104).
Crassatellidae
Paleontology
Paleontology
Cretaceous/Tertiary boundary
Paleontology