TY  - RPRT
TI  - Platyscaphites: a new ammonite from the Lower Campanian (Upper Cretaceous) of the United States Western Interior
AU  - W. A. Cobban
AU  - W. J. Kennedy
AU  - N.H. Landman
PY  - 1999
UR  - https://pubs.usgs.gov/publication/70094653
ID  - 70094653
ER  -