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• Mammuthus primigenius (Blumbach)
• Triceratops horridus Marsh, 1889
• Limnofregata azygosternon Olson
• Hoplophoneus primaevus Leidy & Owen, 1851: Skull
• Hemicidaris crenularis (Lamarck)
• Cycadeoidea pulcherrima Ward
• Peratherium cf. hunteri (Cope)
• Isthminia panamensis Pyenson et al., 2015: Skull
• Proalopecopsis haughtoni Brink & Kitching, 1951
• Ontocetus oxymycterus Kellogg: Rostrum
• Ontocetus oxymycterus Kellogg: Upper Rostrum
• Foro panarium Olson in Campbell
• Genus indet. sp indet. Walcott
• Prefica nivea Olson
• Priscacara serrata Cope
• Odobenocetops peruvianus De Muizon
• Genus indet. sp indet.
• Euceratherium cf. sinclairi
• Pinus premurrayana Knowlton
• Thrinaxodon liorhinus Seeley, 1894
• Stegomastodon sp
• Chimaerotheca alaskana Brown
• Eubrontes platypus Lull
• Stylemys nebrascensis Leidy, 1851

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