TY  - BOOK
AU  - McLoughlin,John C.
TI  - Synapsida: a new look into the origins of mammals 
SN  - 067068922X
AV  - QE862.P3 M24 1980
U1  - 567.9/3 
PY  - 1980///
CY  - New York
PB  - Viking Press
KW  - Reptiles, Fossil
N1  - Includes index; Bibliography: p. 142
ER  -