Catalogue of the available scientific species­group names for lizards of the genus Phrynocephalus Kaup, 1825 (Reptilia, Sauria, Agamidae) Author Barabanov, Andrei V. Author Ananjeva, Natalia B. text Zootaxa 2007 1399 1 56 journal article 50110 10.5281/zenodo.273686 ed52628f-5d46-4957-a3c2-f1905e19b13e 1175­5326 273686 Genus Phrynocephalus Kaup, 1825 Phrynocephalus Kaup, 1825 : col. 590­591. Species typica: Phrynocephalus caudivolvulus (Pallas) by subsequent designation ( Fitzinger, 1843 ). Megalochilus Eichwald, 1831 : 185 . Species typica: " Lacert [ a ]. aurit [ a ]. Pallas" [= Phrynocephalus mystaceus (Pallas) by monotypy. Saccostoma Fitzinger, 1843 : 18 , 87. Species typica: " Phrynocephalus auritus Fitz. " [= Phrynocephalus mystaceus (Pallas) ] by original designation. Helioscopus Fitzinger, 1843 : 18 , 88. Species typica: " Phrynocephalus helioscopus Wagler " [= Phrynocephalus helioscopus (Pallas) ] by original designation. Phrynosaurus Fitzinger, 1843 : 18, 88. Species typica: Phrynocephalus Olivieri Duméril et Bibron [= Phrynocephalus scutellatus (Olivier) ] by original designation. Coined as the subgenus of Helioscopus Fitzinger. Distribution: From southeastern Europe and Southwest Asia (including the Arabian Peninsula, northern India and Nepal ) trough Central and Middle Asia to China and Mongolia .