Leptophis depressirostris COPE 1861
| Thirteenth contribution to the herpetology of tropical America E D Cope (1886) Proc. Amer. Philos. Soc. 23: 271-287 | |
| On a collection of batrachians and reptiles made by Dr. H.G. Spurrell,F.Z.S. in the Choco, Colombia G A Boulenger (1913) Proc. Zool. Soc. London 1913: 1019-1038 | |
| A brief review of the snakes of Costa Rica E H Taylor (1951) University of Kansas Science Bulletin 34: 3-188 |