TABLE 1. Dental dimensions (mm) for Microleo attenboroughi QM F41143 and QM F42676. Abbreviations: l = length; w = width; a = alveolar measurement; [ ] = estimate. Measurements are of maximum dimensions.
| P3 | M1 | M2 | M3 | P3-M4 | m3 | ||||||
| Specimen # | l | w | l | w | l | w | l | w | l | l | w |
| QM F41143 | |||||||||||
| (left) | 4.7a | 2.0a | 3.5a | 2.9a | 3.3 | 3.6 | 2.8 | 3.0 | [16] | - | - |
| (right) | 4.6 | 2.7 | 3.6a | 2.8a | 3.3 | 3.6 | - | - | - | - | - |
| QM F42676 | - | - | - | - | - | - | - | - | - | 3.0 | 2.5 |
TABLE 2. Comparative measurements (mm) of P3 length of thylacoleonid species. Abbreviations: a = alveolus measure; ^ = P3/P3-M3; # =P3/P3+M1+M2; ^^ = P3/P3 +M1 (in Thylacoleo carnifex M1 lies anterior to the posterior end of P3 hence individual tooth lengths are summed for cheektooth row length); ** = measurements from Archer and Dawson (1982).
| Species | Specimen number | P3 length | P3:M1 | P3: cheektooth row length (P3-M4) |
| Microleo attenboroughi | QM F41143 | 4.6 | 1.2 | 0.29 |
| Priscileo roskellyae | QM F23453 | 8.2 | 1.4 | 0.35 |
| Priscileo pitikantensis | SAM P37719 | 11.2a | 1.8a | 0.36 |
| Wakaleo oldfieldi | QM F11852 | 14.1 | 1.3 | - |
| Wakaleo vanderleueri | CPC 26604 | 17.4 | 1.5 | 0.45^ |
| Wakaleo alcootaensis | NTM P1 | 23.3 | 1.6 | 0.49^ |
| Thylacoleo hilli | SAM P17621 | 24.4 | - | - |
| Thylacoleo crassidentatus | QM F10622** | 41.0 | 2.7 | 0.70# |
| Thylacoleo carnifex | AR 21609 | 55.4 | 3.9 | 0.78^^ |
