Hoser 2013. A reassessment of the Tropidophiidae, including the creation of two new tribes and the division of Tropidophis Bibron, 1840 into six genera, and a revisiting of the Ungaliophiinae to create two subspecies within Ungaliophis panamensis Schmidt, 1933. Australasian Journal of Herpetology, 17, 29 April 2013: 22-34