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Platygonus compressus Leconte 1848 (peccary)

Osteichthyes - Artiodactyla - Tayassuidae

PaleoDB taxon number: 50408

Alternative combination: Dicotyles compressus

Synonyms: Dicotyles costatus Le Conte 1852 (no. 161902), Euchoerus macrops Leidy 1853 (no. 161903), Euchoerus macropus Leidy 1853 (no. 231582), Hyops depressifrons Leconte 1848 (no. 142586), Platygonus alemani Dugès 1887 (no. 231583), Platygonus alemanii Dugès 1887 (no. 50405), Platygonus leptorhinus Williston 1894 (no. 50412), Protochoerus prismaticus Leconte 1848 (no. 142588)

Full reference: J. L. Leconte. 1848. Notice of five new species of fossil Mammalia from Illinois. American Journal of Science and Arts 5:102-106

Belongs to Platygonus according to B. H. Slaughter 1966

Sister taxa: Platygonus bicalcaratus, Platygonus brachirostris, Platygonus chapadmalensis, Platygonus cinctus, Platygonus cumberlandensis, Platygonus intermedius, Platygonus kraglievichi, Platygonus marplatensis, Platygonus narinoensis, Platygonus oregonensis, Platygonus pearcei, Platygonus pollenae, Platygonus scagliae, Platygonus setiger, Platygonus striatus, Platygonus vetus, Antaodon cinctus

Type specimens:

  • Platygonus compressus: ANSP 11512, 11515, 11522, 11524, 11533, 11534, 11539, a partial skull. Its type locality is Galena (Snyder Collection), which is in a Pleistocene karst sandstone in Illinois.
  • Dicotyles costatus:
  • Euchoerus macrops:
  • Hyops depressifrons: ANSP 11535, a skull (skull, no teeth). Its type locality is Galena (Snyder Collection), which is in a Pleistocene karst sandstone in Illinois.
  • Platygonus alemanii:
  • Platygonus leptorhinus:
  • Protochoerus prismaticus: ANSP, a set of teeth (lower first and third molars, canine). Its type locality is Galena (Snyder Collection), which is in a Pleistocene karst sandstone in Illinois.

Ecology: ground dwelling browser-grazer

Average measurements (in mm): P2 10.6 x 9.9, P3 11.2 x 12.0, P4 11.3 x 13.5, M1 15.1 x 13.9, M2 17.4 x 15.8, M3 20.3 x 16.2, p2 9.87 x 7.61, p3 11.1 x 9.0, p4 11.9 x 10.3, m1 14.7 x 12.3, m2 17.8 x 13.1, m3 23.9 x 13.3, femur length 200.0, humerus length 200.0, metacarpal III length 85.0, metatarsal III length 89.0, radius length 167.0, scapula length 206.0, skull 268.0 x 136.0, tibia length 195.0, ulna length 213.0

Estimated body mass: 28.6 kg based on femur length, humerus length, tibia length, and ulna length