Catalogue of the Invertebrate Fossils of the Western Slope of the United States (Paperback)

Originally published in 1907, this detailed catalogue of invertebrate fossils from the western United States remains an authoritative reference work for paleontologists today. With detailed descriptions and illustrations of hundreds of species, as well as discussions of their geological context and evolutionary significance, this book provides a vivid picture of life in the distant past. An important resource for anyone interested in the history of life on Earth.

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