FIGURE 1. Measurements used for comparisons.
FIGURE 2. Scelidotherium leptocephalum. Skulls in dorsal view. 1, MMP 1155-M; 2, MACN 9625. Scale bar equals 10 mm.
FIGURE 3. Scelidotherium bravardi. Skulls in dorsal view. 1, MMP 157-S; 2, holotype BM(NH)M 37626. Scale bar equals 10 mm.
FIGURE 4. Valgipes bucklandi. Skulls in dorsal view. 1, MCL 4294; 2, MCL 4293. Scale bar equals 10 mm.
FIGURE 5. Catonyx tarijensis. Skull and mandible in dorsal view. 1 and 2 FMNH P 14243. Scale bar equals 10 mm.
FIGURE 6. Catonyx tarijensis. Skull and mandible in dorsal view. 1 and 2 FMNH P 14238. Scale bar equals 10 mm.
FIGURE 7. Catonyx chiliensis. Skulls in dorsal view. 1, BM(NH)M 2819; 2, MHIN-UNSL-GEO V 199. Scale bar equals 10 mm.
FIGURE 8. Catonyx cuvieri. Skulls in dorsal view. 1, MCL 4265; 2, MCL 22683. Scale bar equals 10 mm.
FIGURE 9. Skull outlines in dorsal view. 1 and 2, Scelidotherium leptocephalum (MMP 1155-M, MACN 9625); 3 and 4, Scelidotherium bravardi (MMP 157-S, BM(NH)M 37626); 5 and 6, Valgipes bucklandi (MCL 4294, 4393).
FIGURE 10. Skull and mandible outlines in dorsal view. 1 and 2, Catonyx tarijensis (FMNH P 14243); 3 and 4, Catonyx tarijensis (FMNH P 14238); 5 and 6, Catonyx chiliensis (BM(NH)M 2819 Type, MHIN-UNSL-GEO V 199); 7 and 8, Catonyx cuvieri (MCL 4265, MCL 22683).
