TY  - BOOK
AU  - Cobban,William Aubrey
TI  - The late Cretaceous ammonites Scaphites leei Reeside and Scaphites hippocrepis (DeKay) in the western interior of the United States,
T2  - Geological Survey professional paper 619
AV  - QE75 .P9 no. 619
U1  - 564/.53 
PY  - 1969///
CY  - Washington
PB  - U.S. Govt. Print. Off.
KW  - Scaphites
KW  - Paleontology
KW  - Cretaceous
KW  - United States
N1  - Bibliography: p. 24-27
ER  -