Although the intraspecific structure of Ovis ammon L., 1758 is generally uncertain, the taxonomic position of the group O. a. polii Blyth, 1840 is relatively stable. The majority of researchers [1‐4] regard the Pamir argali as a subspecies, although it has a hybridization zone with the Tian Shan argali O. a. karelini [1, 2, 5]. According to the alternative point of view, the differences between Pamir, Tian Shan, and Kazakhstan ( O. a. collium ) argalis do not reach the subspecific level [6]. Our recent study of the taxonomic structure of O. ammon corroborated the separation of the Pamir argali from the Tian Shan and Kazakhstan forms [7]. More than hundred skulls of Pamir argali are accumulated in museum collections of the world. This allows the morphological uniformity of this geographical form to be estimated with confidence in regard to the cranial characters. The rich material of the Pamir argali contrasts with the absence of sufficiently large series of the other forms of argali.