FIG. 1 in Unexpected finding of a new Equus species (Mammalia, Perissodactyla) belonging to a supposedly extinct subgenus in late Pleistocene deposits of Khakassia (southwestern Siberia)

FIG. 1. — Simpson's ratio diagram comparing third metatarsals length (MT1), distal articular breadth (MT11), and diaphysis depth (MT4); size [size = (length + width)/2] of upper premolars (P) and molars (M); and protocone length of upper premolars (Pprot.) and molars (Mprot.) in Equus (S.) ovodovi n. sp., Proskuriakova cave (Khakassia, southwestern Siberia) to extant E. hemionus onager, Moorcroft, 1841, E. (S.) altidens Reichenau, 1915 (Süssenborn) and E. hydruntinus Stehlin & Graziosi, 1935 (Staroselie, Lunel-Viel, Dorog).