01398nam a2200325Ia 4500 192014 BIBL 20160527191857.0 921117s1993 dcuabf b f000 0 eng 92043207 n-us--- EVLG QE812.V45 W56 1993 564/.11 20 I 19.16:1535 564.11 W Wingard, G. Lynn. Local 189732 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 by G. Lynn Wingard. Washington U.S. G.P.O. Denver, CO For sale by U.S. Geological Survey, Map Distribution 1993. vi, 131 p., [46] p. of plates ill., maps 29 cm. U.S. Geological Survey professional paper 1535 Local 182296 Spine title: Cretaceous and Tertiary Crassatellidae, eastern United States. Includes bibliographical references (p. 96-104). Crassatellidae United States. Local 81842 Paleontology United States. Local 147060 Cretaceous/Tertiary boundary. Local 82043 Paleontology Tertiary. Local 147060 Paleontology Cretaceous. Local 147060 Cretaceous and Tertiary Crassatellidae, eastern United States. 145508 145508 0 0 0 564_110000000000000_W769D 0 evl 158770 10 10 1 2016-05-27 282110 0 564.11 W769d 80000001724718 2016-05-27 00:00:00 r:192014 z:NCC:D 6