01266nam a2200289Ia 4500001000700000003000500007005001700012008004100029010001500070043001200085050002400097082001600121086001700137100002900154245018400183260010100367300005400468490005900522500008000581504005300661650004200714650004000756650004100796650003500837650003700872740006700909192014BIBL20160527191857.0921117s1993    dcuabf   b   f000 0 eng    a 92043207   an-us---00aQE812.V45bW56 199300a564/.112200 aI 19.16:15351 aWingard, G. Lynn.2Local12aA detailed taxonomy of Upper Cretaceous and Lower Tertiary Crassatellidae in the eastern United Statesban example of the nature of extinction at the boundarycby G. Lynn Wingard.  aWashingtonbU.S. G.P.O.aDenver, CObFor sale by U.S. Geological Survey, Map Distributionc1993.  avi, 131 p., [46] p. of platesbill., mapsc29 cm. 0aU.S. Geological Survey professional paperv15352Local  aSpine title: Cretaceous and Tertiary Crassatellidae, eastern United States.  aIncludes bibliographical references (p. 96-104). 0aCrassatellidaezUnited States.2Local 0aPaleontologyzUnited States.2Local 0aCretaceous/Tertiary boundary.2Local 0aPaleontologyyTertiary.2Local 0aPaleontologyyCretaceous.2Local01aCretaceous and Tertiary Crassatellidae, eastern United States.