Phrynosoma coronatum frontale VAN DENBURGH 1894: 296
| A new Phrynosoma from Cerros Island T Barbour (1921) Proc. New England Zool. Club 7: 113-115 | |
| Typical reptiles and amphibians in the Museum of Comparative Zoology T Barbour and A Loveridge (1929) Bulletin of the Museum of Comparative Zoology, Harvard 69: 205-360 | |
| Notes on the worm snakes of the southwest, with descriptions of two new subspecies Laurence M Klauber (1931) Transactions of the San Diego Society of Natural History 6: 333-352 | |
| An annotated checklist and key to the snakes of Mexico H M Smith and E H Taylor (1945) US Natl. Mus. Bull. 187: 1-239 | |
| Taxonomy and distribution of the horned lizard genus Phrynosoma W L Reeve (1952) University of Kansas Science Bulletin 34: 817-960 |