APPENDIX 1

List of specimens used for comparisons

Tayassu tajacu: MACN Ma 25.57, 45.20, 50.131, 45.27, 47.379, 24.926, 50.130, 48.23, 49.329, 23.725, 36.697

Tapirus terrestris: MACN Ma 4.339, 24.30, 27200, 52.77, 19.147

Trigonostylops wortmani: AMNH 28700, MLP 52-X-5-98, MACN Pv 47 (cast of MNHN.F.CAS 187), MACN A 10627, 10629, 10651, 10900.

Tetragonostylops apthomasi: DGM 355-M, AMNH 49831, 49832, 49836, 49854, 49838, 49839, 49861, 49862, 49863, MLP 69-I-9-8.

Albertogaudrya unica: MACN A 10634, 10635, 12000, 12002, 12004, 12005, 12007, 12008, 12014, AMNH 28639, 28640, 28641, 28947.

Astraponotus spp.: MACN A 10971, MLP 12-1471, 12-2217, 67-II-27-28, 67-II-27-379, 67-II-27-167, 83-III-3-1, 82-V-7-2, 69-III-24-295, MPEF PV 1084, 1279, 1296,

Astrapotherium magnum: AMNH 9278, FMNH 13170, 14251, YPM PU 15261, 15332, MACN A 3208, 8580.

Parastrapotherium spp.: MACN A 52-604, AMNH 29596, 29575, FMNH 13329, 13413.

ranastrapotherium snorki: IGM SCG-MGJRG-2018 V4