TY  - BOOK
AU  - Simpson,George Gaylord
TI  - American Mesozoic Mammalia,
T2  - Yale university.  Peabody museum.  Memoirs,
AV  - QE881 .S48
U1  - 569 
PY  - 1929///
CY  - New Haven, London
PB  - Yale university press, H. Milford, Oxford university press
KW  - Mammals, Fossil
KW  - Paleontology
KW  - Mesozoic
KW  - North America
N1  - Published on the Othniel Charles Marsh publication fund; Bibliography: p. [159]-163
ER  -