BioStor
GBIF occurrence 157388952 from dataset NMNH Vertebrate Zoology Herpetology Collections (National Museum of Natural History)
Phrynosoma orbiculare (Animalia:Reptilia:Phrynosomatidae)
 | A reconsideration of the racer, Coluber constrictor, in Eastern United States (1955) Tulane Studies In Zoology 2: 89-155 |