Dorsal, lateral, and ventral views of head scalation of Ateuchosaurus pellopleurus (KUZ R77703). CS, chinshield; EcP, ectoparietal; F, frontal; FrNa, frontonasal; FrP, frontoparietal; InLa, infralabial; IP, interparietal; Lo, loreal; M, mental; Na, nasal; P, parietal; PE, parietal eye; PoG, postgenial; PoLa, postlabial; PoM, postmental; PoO, postocular; PoSO, postsubocular; PrO, preocular; PrSO, presubocular; PrT, pretemporal; R, rostral; SuCi, supraciliary; SuLa, supralabial; SuLo, supraloreal; SuNa, supranasal; SuO, supraocular; T, temporal. The dashed line on the fused scale of Na and first SuLa in the lateral view indicates the line of a shallow groove on the scale.