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An ancestral crocodile

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By: Brown, Barnum,

Publication info: New York City, The American Museum of Natural History, [1933]

Holding Institution: American Museum of Natural History Library

Subjects: 56.81,A(1161:79.1) Archaeosuchus richardsoni Arizona Chinle Formation Coconino County Crocodiles, Fossil Paleontology Reptiles, Fossil Triassic
A semionotid fish from the Chinle Formation, with consideration of its relationships

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By: Schaeffer, Bobb, - Dunkle, David H. - Walcott, Charles D. (Charles Doolittle),

Publication info: New York American Museum of Natural History [1950]

Holding Institution: American Museum of Natural History Library

Subjects: Chinle Formation Evolution Fishes Fishes, Fossil Kanab Region Paleontology Semionotus kanabensis Triassic Utah