TY  - RPRT
TI  - Volume III: The vertebrata of the Tertiary formations of the West
AU  - Ferdinand Vandeveer Hayden
AU  - Edward D. Cope
PY  - 1883
DO  - 10.3133/70038954
UR  - https://pubs.usgs.gov/publication/70038954
ID  - 70038954
ER  -