Gastrophryne elegans (Boulenger, 1882)
| The amphibian genus Engystoma untenable Leonhard Stejneger (1910) Proc. Biol. Soc. Wash. 23: 165-168 | |
| Mexican tailless amphibians in the United States National Museum Remington Kellogg (1932) Bulletin of the United States National Museum 160: 1-224 | |
| Herpetological miscellany No. I E H Taylor (1940) University of Kansas Science Bulletin 26: 489-571 | |
| An annotated checklist and key to the Amphibia of Mexico H M Smith and And E H Taylor (1948) Bulletin of the United States National Museum 194: 1-118 | |
| Amphibians and reptiles from the Yucatán Peninsula, México W E Duellman (1965) Univ. Kansas Publ. Mus. Nat. Hist 15: 577-614 |