Abstract
Modern views on the systematics of Pronoritidae are considered. The division of the family into two subfamilies, Pronoritinae and Neopronoritinae, proposed by Weyer (1972) is discussed, the composition and the phylogenetic relationships of Neopronoritinae are clarified. The endemic genus Shikhanites Ruzhencev is proposed to be a paedomorphic member of the subfamily Uddenitinae (family Medlicottiidae Karpinsky). The genera Neopronorites Ruzhencev and Sakmarites Ruzhencev were revised, based mainly on species of these genera from the Early Permian of the Shakhtau quarry (Bashkortostan). Of the 15 species previously assigned to the genus Neopronorites, 12 are recognized as valid, ten of them are Early Permian. The genus Sakmarites includes six species, three of which were found in Shakhtau.
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