Statistically significant morphological differences between Ph. mystaceus khorasanus ssp. from Iran and other subspecies of Ph. mystaceus: A the number of subdigital lamellae on the toe IV (SLIV) B the number of enlarged triangular scales on the lateral fringe of the toe III (FrIII) C the total number of supralabial scales (SL) D the relative length of the dark distal part of the tail to the total tail length (TL-black/TL).

  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.