TY  - RPRT
TI  - Some American Jurassic ammonites of the genera Quenstedticeras, Cardioceras, and Amoeboceras, family Cardioceratida
AU  - John B. Reeside
PY  - 1919
DO  - 10.3133/pp118
UR  - https://pubs.usgs.gov/publication/pp118
ID  - pp118
ER  -