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• Simocetus rayi Fordyce, 2002: C: Ribs
• Simocetus rayi Fordyce, 2002: B: Ribs
• Pliopedia pacifica Kellogg: D: Phalanx
• Branta hylobadistes Olson & James, 1991: B: Pelvis and Vertebral Column
• Branta hylobadistes Olson & James, 1991: E: Tibiotarsus
• Branta hylobadistes Olson & James, 1991: A: Sternum
• Genus indet. sp indet.: Sycamore-like leaf
• Polyonax mortuarius Cope, 1874: B: Vertebra
• Coryphodon elephantopus (Cope): A: Jaw Fragment
• Coryphodon elephantopus (Cope): B: Jaw Fragment
• Coryphodon elephantopus (Cope): C: Jaw Fragment
• Coryphodon elephantopus (Cope): D: Tooth
• Camelus maximus Hay
• Pseudemys idahoensis Gilmore, 1933
• Stylemys nebrascensis Leidy, 1851
• Polyonax mortuarius Cope, 1874: A: Horn
• Anthonya elongata Tenison Woods
• Genus indet. sp indet.: Hadrosauridae indet., Femur
• Anthonya elongata Tenison Woods
• Diplocaulus magnicornis: Skull
• Uintatherium anceps (Marsh): Tooth
• Neopteroplax conemaughensis Romer: A: Skull Cast
• Stegosaurus stenops Marsh, 1887: B: Tail Spike
• Neopteroplax conemaughensis Romer: B: Mandible Cast

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