Lehman, Thomas M.; Barnes, Ken (2010). "Champsosaurus (Diapsida: Choristodera) from the Paleocene of west Texas: paleoclimatic implications". Journal of Paleontology. 84 (2): 341–345. Bibcode:2010JPal...84..341L. doi:10.1666/09-111R.1. S2CID131740273.
Lehman, Thomas M.; Barnes, Ken (2010). "Champsosaurus (Diapsida: Choristodera) from the Paleocene of west Texas: paleoclimatic implications". Journal of Paleontology. 84 (2): 341–345. Bibcode:2010JPal...84..341L. doi:10.1666/09-111R.1. S2CID131740273.
Lehman, Thomas M.; Barnes, Ken (2010). "Champsosaurus (Diapsida: Choristodera) from the Paleocene of west Texas: paleoclimatic implications". Journal of Paleontology. 84 (2): 341–345. Bibcode:2010JPal...84..341L. doi:10.1666/09-111R.1. S2CID131740273.