Scientific Name Collected By Identified By Date Collected Date Identified Family Institution Catalog Number Type Status Basis Of Record
collected Tetraclaenodon septentrionalis Earl Douglass, Princeton 1901 Expedition Johannes G. Thewissen 1901 1998 Phenacodontidae YPM YPM VPPU 013760 holotype FOSSIL_SPECIMEN
collected cf. Antrodemus Earl Douglass, Princeton 1901 Expedition 1901-08 Allosauridae YPM YPM VPPU 016975 FOSSIL_SPECIMEN
collected Pantolambda bathmodon Earl Douglass, Princeton 1901 Expedition 1901 Pantolambdidae YPM YPM VPPU 013761 FOSSIL_SPECIMEN
collected Stegosaurus sp. Earl Douglass, Princeton 1901 Expedition 1901-08 Stegosauridae YPM YPM VPPU 016974 FOSSIL_SPECIMEN
collected Panoplosaurus sp. Earl Douglass, Princeton 1901 Expedition John R. Horner 1901-09 1979 Nodosauridae YPM YPM VPPU 021178 FOSSIL_SPECIMEN
collected Lambeosaurus magnicristatus Earl Douglass, Princeton 1901 Expedition John R. Horner 1901-10 1979 Lambeosauridae YPM YPM VPPU 021905 FOSSIL_SPECIMEN
collected Pantolambda cavirictus Earl Douglass, Princeton 1901 Expedition Elwyn L. Simons 1901 1960 Pantolambdidae YPM YPM VPPU 013759 FOSSIL_SPECIMEN
collected Anisonchus sectorius Earl Douglass, Princeton 1901 Expedition George G. Simpson 1901 1937 Periptychidae YPM YPM VPPU 013762 FOSSIL_SPECIMEN
collected Squalicorax pristodontus Earl Douglass, Princeton 1901 Expedition John R. Horner 1901-09 1979 Lamnidae YPM YPM VPPU 022355 FOSSIL_SPECIMEN
collected Mioclaenus acolytus Earl Douglass, Princeton 1901 Expedition Earl Douglass 1901 1902 Mioclaenidae YPM YPM VPPU 013763 FOSSIL_SPECIMEN
collected Gryposaurus Earl Douglass, Princeton 1901 Expedition 1901-08/1901-09 Hadrosauridae YPM YPM VPPU 016970 FOSSIL_SPECIMEN
collected Platecarpus Earl Douglass, Princeton 1901 Expedition 1901-09 Mosasauridae YPM YPM VPPU 016971 FOSSIL_SPECIMEN