The beginning of the age of mammals in South America: 2 Systematics: Notoungulata, concluded (Typotheria, Hegetotheria, Toxodonta, Notoungulata incertae sedis); Astrapotheria; Trigonostylopoidea; Pyrotheria; Xenungulata; Mammalia incertae sedis
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Bibliographic Details
Main Author: Simpson, George Gaylord 1902-1984 (Author)
Format: Book
Language:English
Published: New York 1967
Series:American Museum of Natural History: Bulletin of the American Museum of Natural History 137
Subjects:
Physical Description:259, 46 S. Ill., graph. Darst., Kt.

There is no print copy available.

Interlibrary loan Place Request Caution: Not in THWS collection!