BioStor
 | Notes and descriptions of new and little-known species of American reptiles E D Cope (1860) Proc. Acad. Nat. Sci. Philadelphia 12: 339-345 |
 | Contributions to the ophiology of Lower California, Mexico and Central America E D Cope (1861) Proc. Acad. Nat. Sci. Philadelphia 13: 292-306 |
 | New genera and species of snakes A Do Amaral (1923) Proc. New England Zool. Club 8: 85-105 |
 | A brief review of the snakes of Costa Rica E H Taylor (1951) University of Kansas Science Bulletin 34: 3-188 |
 | The Lizards of Venezuela
(1960) Bulletin of The Museum of Comparative Zoology 122: 489-541 |
 | The serpents of Thailand and adjacent waters E H Taylor (1965) University of Kansas Science Bulletin 45: 609-1096 |
 | Amphibians and reptiles from the Yucatán Peninsula, México W E Duellman (1965) Univ. Kansas Publ. Mus. Nat. Hist 15: 577-614 |
 | Catalogue of the Neotropical Squamata. Part I. Snakes James A Peters and Braulio Orejas-Miranda (1970) Bulletin United States National Museum 297: 1-347 |
 | Additions to the knowledge of the herpetofauna of Oaxaca, Mexico H M Smith (1971) Great Basin Naturalist 31: 138-139 |
 | Herpetofauna tobagana Robert Mertens (1972) Stuttgarter Beiträge zur Naturkunde aus dem Staatlichen Museum für Naturkunde in Stuttgart 252: 1-22 |
 | Levantamento preliminar dos répteis da região da fronteira Brasil-Uruguai Thaies De Lema and Marta E Fabián-Beurmann (1977) Iheringia. Série zoologia 50: 61-92 |
 | Variability and significance of parietal and
ventral scales in marine snakes of the genus Lapemis (Serpentes: Hydrophiidae), with comments on the occurrence of spiny scales in the genus Paul Gritis and Harold K Voris (1990) Fieldiana Zoology 56: 1-13 |