TABLE 1. Data matrix analyzed to produce the Vaquerosella phylogenetic tree.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | |
| A_bajasurensis | 1 | 1 | 0 | 0 | 0 | 1 | 1 | 1 | 0 | 1 | 0 | 1 | 1 |
| A_spatiosus | 1 | 1 | ? | 1 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 1 | 0 |
| V_andersoni | 0 | 0 | ? | 0 | 0 | 1 | 0 | 1 | 1 | 0 | 1 | 0 | 1 |
| V_coreyi | 1 | ? | ? | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | ? |
| V_durhami | 0 | ? | ? | 1 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | ? |
| V_merriami | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | ? |
| V_norrisi | 1 | ? | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 0 | ? |
| V_perrillatae sp. nov. | 1 | 1 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 1 | 1 | 1 | 0 |
| V_vaquerosensis | 1 | 0 | 1 | 0 | 1 | 0 | 0 | 1 | 0 | 1 | 1 | 0 | ? |
TABLE 2. Morphometric data (mm) of the specimens of Vaquerosella perrillatae sp. nov. See Anatomical abbreviations in Material and Methods. IGM, catalogue number. IGM-loc locality number.
| IGM | L | W | H | Lpn | Lln | Lap | Wap | Hap | Fap | LI | WI | IWI | LII | WII | IWII | LIII | WIII | IWIII | Lps | Fps | Lpp |
| 11463 | 58.4 | 61.2 | 10.8 | 0.4 | 2.6 | - | - | 10.6 | 27.3 | 17.7 | 8.1 | 4.4 | 18.0 | 7.9 | 4.3 | 18.5 | 8.5 | 5.5 | 2.2 | 26.8 | 0.7 |
| 11464 | 46.0 | 48.3 | 10.1 | 0.5 | 1.8 | 2.7 | 3.1 | 7.5 | 21.6 | 15.5 | 6.3 | 2.8 | 15.1 | 6.3 | 2.7 | 15.1 | 7.1 | 4.0 | - | - | 0.5 |
| 11465 | 46.9 | 50.2 | 11.0 | 0.5 | 2.6 | 2.4 | 3.0 | 9.4 | 22.4 | 15.5 | 6.1 | 3.1 | 15.2 | 5.8 | 3.2 | 14.9 | 6.5 | 4.1 | 2.3 | 22.5 | 0.7 |
| 11466 | 49.1 | 50.3 | 7.9 | - | 2.5 | - | - | - | 24.0 | 14.2 | 5.6 | 2.7 | 13.8 | - | 2.9 | 16.5 | 6.6 | 3.8 | 3.5 | 23.4 | - |
| 11467 | 66.6 | 66.2 | 9.9 | 1.1 | 2.4 | 3.5 | 4.4 | 7.9 | 29.8 | 21.4 | 9.3 | 4.7 | 20.4 | 8.5 | 4.5 | 21.8 | 8.9 | 6.7 | 2.8 | 33.0 | 0.5 |
| 11468 | 77.6 | 77.0 | 15.7 | 2.5 | 4.2 | 4.1 | 4.5 | 13.6 | 32.5 | 25.0 | 9.4 | 6.3 | 20.5 | 11.1 | 6.0 | 23.0 | 10.5 | 7.5 | 3.1 | 36.0 | 1.0 |
| 11469 | 77.5 | - | 13.0 | 1.0 | 4.8 | 3.6 | 4.2 | 12.7 | 31.7 | 23.9 | 8.8 | 4.5 | 20.8 | 9.4 | 5.4 | 24.6 | 9.1 | 5.4 | - | - | 0.7 |
| 11470 | 74.5 | 77.4 | 14.0 | 1.1 | 4.7 | 3.7 | 4.3 | 12.5 | 32.0 | 24.6 | 10.3 | 6.6 | 24.2 | 9.2 | 5.1 | 25.0 | 10.5 | 9.3 | 2.7 | 34.2 | 1.0 |
| 11471 | - | - | 12.6 | - | - | 3.6 | 4.1 | 10.2 | 23.5 | 10.5 | 5.6 | 23.4 | 10.0 | 10.2 | 5.5 | 20.2 | 10.2 | 6.8 | 3.7 | - | - |
| 11472 | - | - | - | - | - | - | - | - | - | 15.3 | 6.3 | 2.7 | 15.5 | 6.3 | 2.9 | - | - | - | - | - | - |
| 11473 | 42.9 | 8.5 | 0 | 2.3 | 2.7 | 2.9 | 7.6 | - | 13.3 | 5.2 | 2.6 | 12.2 | 6.1 | 2.9 | 12.0 | 5.8 | 3.2 | 2.4 | - | 0.9 | - |
| 11474 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| 11475 | 47.8 | 49.3 | - | - | 2.5 | - | - | 5.2 | 20.7 | 13.4 | 6.5 | 3.6 | 12.2 | 6.8 | 2.9 | - | - | - | 2.5 | 21.6 | - |
| 11476 | 51.9 | - | 9.6 | 0.8 | 2.8 | - | - | 9.0 | - | 16.5 | 8.4 | 3.6 | 17.7 | 7.2 | 3.6 | - | - | - | 1.9 | 24.4 | 0.7 |
| 11477 | 49.9 | 52.2 | 7.2 | 0.0 | 1.7 | 3.1 | 3.0 | 7.0 | 21.9 | 17.4 | 6.9 | 3.3 | 15.6 | 6.2 | 2.9 | 16.5 | 6.8 | 3.8 | 2.3 | 23.6 | 1.0 |
| 11478 | 61.2 | 64.2 | - | 1.4 | 2.8 | - | - | - | - | 20.3 | 6.6 | 3.5 | 19.9 | 7.1 | 3.5 | 21.4 | 8.5 | 5.8 | 2.3 | 30.9 | 1.3 |
| 11479 | 76.9 | 71.3 | 12.0 | 1.1 | 2.8 | 3.6 | 3.9 | 11.6 | 36.0 | - | 9.8 | 5.2 | - | 10.3 | 4.4 | - | - | - | 3.5 | 35.7 | 1.1 |
| 11480 | 59.0 | 61.4 | 10.0 | - | 3.0 | - | - | 8.3 | - | - | 8.0 | 4.3 | - | 7.4 | 3.5 | - | 8.9 | 6.0 | - | - | - |
| 11481 | 59.6 | - | 9.8 | 0.8 | 3.4 | 3.6 | 4.7 | 8.6 | 26.3 | 19.6 | 7.8 | 3.9 | 19.2 | 7.0 | 3.6 | 19.5 | 7.8 | 5.3 | 3.3 | 27.1 | 0.8 |
| 11482 | 46.0 | - | 7.4 | - | - | 2.8 | 3.5 | 7.0 | 22.2 | 13.5 | 5.6 | 3.0 | 14.7 | 6.0 | 2.7 | 15.6 | 5.9 | 3.1 | 3.8 | 21.1 | 0.9 |
| 11483 | 56.8 | - | 7.8 | 0.5 | 1.7 | 3.1 | 3.9 | 6.8 | 24.2 | 17.9 | 6.2 | 3.4 | 16.3 | 6.5 | 3.8 | 16.7 | 7.0 | 4.8 | 2.3 | 26.9 | 0.5 |
