| Peromyscus taylori (Thomas, 1887) |
| Peromyscus taylori subsp. allex Osgood, 1904 |
| Peromyscus taylori subsp. analogous Osgood, 1909 |
| Peromyscus taylori subsp. paulus (J. A. Allen, 1903) |
| Peromyscus texanus (Woodhouse, 1853) |
| Peromyscus texanus subsp. coolidgei Thomas, 1898 |
| Peromyscus texanus subsp. flaccidus J. A. Allen, 1903 |
| Peromyscus texanus subsp. medius Mearns, 1896 |
| Peromyscus texanus subsp. sonoriensis (LeConte, 1853) |
| Peromyscus texensis Gaumer, 1917 |
| Peromyscus thomasi Merriam, 1898 |
| Peromyscus thomasi subsp. auritus Merriam, 1898 |
| Peromyscus thomasi subsp. cryophilus Musser, 1964 |
| Peromyscus thomasi subsp. nelsoni Merriam, 1898 |
| Peromyscus thomasi subsp. thomasi Merriam, 1898 |
| Peromyscus thurberi J. A. Allen, 1895 |
| Peromyscus tiburonensis Mearns, 1897 |
| Peromyscus tornillo Mearns, 1896 |
| Peromyscus totontepecus Merriam, 1898 |
| Peromyscus totontepecus subsp. angelensis Osgood, 1904 |