TY  - RPRT
TI  - A note on the occurrence of allocrioceras billinghursti Klinger, 1976 (Cretaceous Ammonoidea) in the Middle Turonian of the Western Interior of the United States
AU  - W. A. Cobban
AU  - W. J. Kennedy
PY  - 1989
DO  - 10.1016/0195-6671(89)90004-9
UR  - https://pubs.usgs.gov/publication/70015634
ID  - 70015634
ER  -