Template:Roze, 1964b

• Roze, J.A. 1964. The snakes of the Leimadophis-Urotheca-Liophis complex from Parque Nacional Henri Pittier (Rancho Grande), Venezuela, with a description of a new genus and species (Reptilia, Colubridae). Senckenbergiana biologica 45(3/5): 533–542.  
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Nomenclatural acts

• Date of publication: 1964

New names (2)

• Umbrivaga [p. 536]
• Umbrivaga mertensi [p. 536]