Figure 6 from: 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

Figure 6 Ph. mystaceus in life: A subadult Ph. mystaceus khorasanus ssp. n., orange lower surface of the tail is shown, Iran (photograph by R. A. Nazarov) B Ph. mystaceus khorasanus ssp. n., female, Iran (photo by R. A. Nazarov) C Ph. m. mystaceus, Russia, Astrakhan region, Dosang (photograph by E. A. Dunayev) D Ph. m. mystaceus, Dagestan, Sarykum sands (photograph by E. A. Dunayev) E Ph. m. mystaceus, Uzbekistan, Qarakalpaqiston (corresponds to the previously recognized subspecies "galli"; photograph by E. A. Dunayev) F Ph. m. mystaceus, Dagestan, Sarykum sands (corresponds to the previously recognized subspecies "dagestanica"; photograph by E. A. Dunayev) G Ph. m. aurantiacocaudatus, E Kazakhstan, SE Balkash Lake (photograph by E. N. Solovyeva) H Ph. m. aurantiacocaudatus, E Kazakhstan, SE Balkash lake (photograph by E. N. Solovyeva) I Ph. m. mystaceus, Russia, Astrakhan region, Dosang (photograph by E. A. Dunayev).