Holotype of Ph. mystaceus khorasanus ssp. n. in preservative: A dorsal view B ventral view C head in dorsal view D head in frontal view E head in lateral view; F right foot in thenar view (photographs by E. N. Solovyeva).

  Part of: Solovyeva EN, Dunayev EN, Nazarov RA, Radjabizadeh M, Poyarkov Jr NA (2018) Molecular and morphological differentiation of Secret Toad-headed agama, Phrynocephalus mystaceus, with the description of a new subspecies from Iran (Reptilia, Agamidae). ZooKeys 748: 97-129. https://doi.org/10.3897/zookeys.748.20507