GBIF occurrence 157387737 from dataset NMNH Vertebrate Zoology Herpetology Collections (National Museum of Natural History)
Phrynosoma douglasii (Animalia:Reptilia:Phrynosomatidae)
| Taxonomy and distribution of the horned lizard genus Phrynosoma W L Reeve (1952) University of Kansas Science Bulletin 34: 817-960 | |
| Herpetology of the Zuni Mountains Region, Northwestern New Mexico Frederick R Gehlbach (1965) Proc. US. Natl. Mus 116: 243-332 |