FIGURE 1. Interatherium rodens, holotype MLP 12-2826 in On the type materials of the genera Interatherium Ameghino, 1887 and Icochilus Ameghino, 1889 (Interatheriidae, Notoungulata, Mammalia) from early Miocene of the Santa Cruz Province, Argentina

FIGURE 1. Interatherium rodens, holotype MLP 12-2826, right maxilla with alveolus of dP1 and complete dP2 and P3–M3, in occlusal view (A); reproduction of figure 26 (B) from Ameghino (1889, plate 15). Interatherium anguliferum, holotype MACN-A 3444, right maxilla with C and P2–M1, in occlusal view (C). Interatherium interruptum, holotype MACN-A 3445, left maxilla with the alveolus of dP1 and complete dP2–3 and P4–M3, in occlusal view (D). Interatherium dentatum, holotype MACN-A 9863, skull and mandible articulated, left lateral view (E). Scale bar = 10 mm.