Gateway to the Paleobiology Database
Homotherium venezuelensis Rincón et al. 2011 (cat)

Osteichthyes - Carnivora - Felidae

PaleoDB taxon number: 268531

Full reference: A. D. Rincón, F. J. Prevosti, and G. E. Parra. 2011. New saber-toothed cat records (Felidae: Machairodontinae) for the Pleistocene of Venezuela, and the Great American Biotic Interchange. Journal of Vertebrate Paleontology 31(2):468-478

Belongs to Homotherium according to A. D. Rincón et al. 2011

Sister taxa: Homotherium crusafonti, Homotherium idahoensis, Homotherium johnstoni, Homotherium sainzelli, Homotherium serum, Homotherium ultimum, Dinobastis ischyrus

Type specimen: OR-1352, a skull (complete and compressed skull, lacks the upper incisors, left third premolar and left first molar). Its type locality is El Breal de Orocual, which is in a Pleistocene/Pleistocene terrestrial tar/tar in the Mesa Formation of Venezuela.

Ecology: scansorial insectivore

Average measurements (in mm): P3 13.0 x 7.2, P4 40.7 x 14.2, p3 11.5 x 6.7, p4 21.1 x 10.3, m1 31.0 x 13.8, Basal length length 200.0, C1 (Labial-lingual) width 18.6, C1 anteroposterior length 34.1, C1–C1 width 72.8, C1–P4 length 84.4, Glenoid surface 25.5 x 52.9, Greatest diameter of the tympanic bulla diameter 42.7, Greatest mastoid process width width 114.8, Greatest palatal width: P4–P4 (between protocones) width 99.7, Greatest paraoccipital process width width 95.1, Greatest width of external nares width 38.2, Greatest width of the muzzle at infraorbital foramen width 75.2, Greatest width of the muzzle at orbits width 76.3, Greatest width of the occipital condyles width 70.0, Length between mastoid and paraoccipital process length 45.9, Mandibular thickness at m1 width 18.2, Mandibular thickness at p3 width 17.1, Mandibular thickness at p4 width 19.7, P3–P3 width 85.2, P4–P4 (between labial border at its posterior part) width 102.2, P4–P4 (between protocones) width 95.1, P4–pterigoides wing length 49.0, Palatal length (incisor–posterior border of P4) length 101.9, Sagittal crest length 76.7, Total length length 230.0, Tympanic bullae width 26.0, Zygomatic width width 175.0, articular process width 39.5, articular to angular process length 39.8, coronoid to angular process length 72.7, diastema c1–p3 length 21.8, masseteric fossa length 66.8, p3–m1 length 67.4, p4–m1 length 52.7