TY  - RPRT
TI  - Pachydiscus (Pachydiscus) hornbyense Jones, 1963, and P. (P.) catarinae (Anderson & Hanna, 1935) (Cretaceous, Campanian; Ammonoidea), Pacific Realm marker fossils in the Western Interior Seaway of North America
AU  - W. J. Kennedy
AU  - W. A. Cobban
PY  - 1999
UR  - https://pubs.usgs.gov/publication/70073920
ID  - 70073920
ER  -