Table 1. Discrete morphological traits used in the correspondence analysis.
| Npt | Ucl | Pb | I | Ho | So | Cp | Mp | Js | Lc | Io | Lst | Ss | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Thylacosmilus atrox† | 1 | 4 | 2 | 4 | 3 | 3 | 3 | 1 | 5 | 3 | 1 | 1 | 1 |
| Barbourofelis morrisi† | 3 | 3 | 2 | 3 | 3 | 4 | 3 | 2 | 4 | 2 | 3 | 2 | 1 |
| Hoplophoneus occidentalis† | 2 | 3 | 1 | 3 | 3 | 4 | 3 | 2 | 4 | 2 | 3 | 2 | 1 |
| Eusmilus cerebralis† | 3 | 3 | 1 | 3 | 3 | 4 | 3 | 2 | 4 | 2 | 3 | 2 | 2 |
| Dinictis sp.† | 1 | 2 | 1 | 2 | 3 | 2 | 2 | 1 | 3 | 2 | 3 | 2 | 2 |
| Pogonodon platycopsis† | 2 | 2 | 1 | 2 | 3 | 2 | 2 | 1 | 3 | 2 | 2 | 2 | 2 |
| Smilodon californicus† | 3 | 3 | 1 | 2 | 3 | 2 | 2 | 2 | 2 | 2 | 3 | 2 | 1 |
| Megantereon cultridens† | 2 | 3 | 1 | 2 | 3 | 2 | 2 | 2 | 4 | 2 | 3 | 2 | 1 |
| Xenosmilus hodsonae† | 2 | 2 | 1 | 2 | 3 | 2 | 2 | 1 | 3 | 2 | 3 | 2 | 1 |
| Amphimachairodus giganteus† | 3 | 2 | 1 | 3 | 3 | 2 | 3 | 1 | 3 | 2 | 2 | 2 | 1 |
| Homotherium crenatidens† | 2 | 2 | 1 | 2 | 2 | 2 | 3 | 1 | 3 | 2 | 2 | 2 | 1 |
| Neofelis nebulosa | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 2 |
| Panthera pardus | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 2 |
| Panthera leo | 2 | 1 | 1 | 1 | 1 | 2 | 1 | 2 | 1 | 1 | 3 | 2 | 2 |
| Panthera atrox† | 2 | 1 | 1 | 1 | 2 | 2 | 1 | 2 | 1 | 1 | 3 | 2 | 2 |
| Felis concolor | 2 | 1 | 1 | 1 | 2 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 2 |
| Oncofelis geoffroyi | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 2 |
| Lynx rufus | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 2 |
| Cryptoprocta ferox | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 1 |
Notes.
Npt, number of postcanine teeth: (1) >3 teeth; (2) 3 teeth; (3) <3 teeth). Ucl, Upper canine length: (1) Short, conical; (2) Scimitar-blade; (3) Dirk-blade; (4) Dirk-triangular. Pb, post-orbital bar: (1) Absent; (2) Present. I, incisors: (1) Small, straight; (2) Large, straight; (3) Large, protruding; (4) None. Ho, height of the occiput: (1) Low; (2) Medium; (3) High. So, shape of the occiput: (1) Truncate (low); (2) Deltoid (moderately peaked, triangular); (3) Flabellate (broad, fan-shaped); (4) Hastate (highly peaked, spear-shaped). Cp, coronoid process: (1) Large, projecting backwards; (2) medium-sized, projecting backwards; (3) Small, projecting dorsally. Mp, mastoid process. (1) Does not project far ventrally below occiput; (2) Projects far ventrally below level of occiput. Js, jaw symphysis: (1) Short, narrow; (2) Short, broad; (3) Medium-length, broad. (4) Long, broad; (5) Long, ligamentous. Lc, lower canine: (1) Large; (2) Small; (3) Peg-like. Io, Infraorbital foramen: (1) Small, slit-shaped; (2) Small, round; (3) Large, round. Lst, Largest sectorial tooth: (1) Blunt tip wear; (2) Sharp shearing wear. Ss, Skull shape: (1) Rounded; (2) Flat.