Table S1.
Cusp-offset measurements of the fossil lineages of muroids
| Subfamily | Species | N | Minimum | Maximum | Mean |
| Cricetodontini | Cricetodon albanensis | 5 | 9.0 | 14.3 | 11.3 |
| Ruscinomys europaeus | 5 | 4.7 | 11.2 | 7.66 | |
| Cricetinae | Democriceton sp. | 3 | 8.5 | 10.1 | 9.07 |
| Megacricetodon tautavelensis | 4 | 12.3 | 15.0 | 13.60 | |
| Stem Arvicolinae | Rotundomys montisrotundi | 8 | 2.9 | 13.8 | 8.67 |
| Microtodon longidens | 5 | 21.6 | 26.3 | 23.26 | |
| Arvicolinae | Dolomys sp. | 5 | 21 | 25.4 | 23.44 |
| Mimomys septimanus | 3 | 21.1 | 24.8 | 22.57 | |
| Stem Gerbillinae | Myocricetodon ihroudi | 3 | 14.7 | 25.0 | 20.03 |
| Gerbillinae | Protatera algeriensis | 3 | 10.6 | 11.7 | 11.00 |
| Stem Murinae | Potwarmus thailandicus | 7 | 5.4 | 10.0 | 7.16 |
| Murinae | Progonomys cathalai | 7 | 0.0 | 4.0 | 2.36 |
| Rhagamys orthodon | 5 | 7.9 | 11.1 | 8.76 |
Measurements are for individual specimens and are in degrees.