| Observations on Reptiles of the old world E D Cope (1869) Proc. Acad. nat. Sci. Philadelphia 1868: 316-323 | |
| Description of new Typhlopidae in the British Museum G A Boulenger (1889) Annals and Magazine of Natural History 4: 360-363 | |
| Notes herpétologiques F Mocquard (1903) Bulletin du Museum Paris 1903: 209-221 | |
| Description of a new elapine snake from Australia G A Boulenger (1908) Ann. Mag. Nat. Hist. 1: 333-334 | |
| LI.—Note on the type specimen of a blind snake, Helminthophis wilderi (Garman), from Brazil A G Hammar (1908) Annals And Magazine of Natural History 1: 334-335 | |
| A catalog of the Ophidia from South America at present (June, 1916) contained in the Camegie Museum, with descriptions of some new species (1916) Pittsburgh Memoirs Carnegie Museum 7: 163-227 | |
| Studies of neotropical ophidia. III On Helminthophis flavoterminatus (Peters, 1857) A D Amaral (1926) Proc. Biol. Soc. Wash 39: 123-126 | |
| Notes on blind snakes from lower Central America E R Dunn (1932) Proceedings of The Biological Society of Washington 45: 173-175 | |
| A brief review of the snakes of Costa Rica E H Taylor (1951) University of Kansas Science Bulletin 34: 3-188 | |
| Further studies on the serpents of Costa Rica E H Taylor (1954) University of Kansas Science Bulletin 36: 673-801 | |
| Catalogue of the Neotropical Squamata. Part I. Snakes James A Peters and Braulio Orejas-Miranda (1970) Bulletin United States National Museum 297: 1-347 | |
| Buccal floor of reptiles, A summary W W Tanner and D F Avery (1982) Great Basin Naturalist 42: 273-349 |