Otomys jacksoni Thomas, 1891 Otomys jacksoni; Thomas, 1891:184 (type locality— Uganda, crater of Mount Elgon, 13,200 ft [4023 m]; holotype —BMNH 93.2.3.34); Wroughton, 1906: 276 (retained as valid species); Dollman, 1915:167 (taxonomic revision, retained as valid species); Lawrence & Loveridge, 1953:59 (faunal report, recognition as valid species); Musser & Carleton, 2005:1527 (reinstated as valid species). Otomys jacksoni jacksoni; Allen, 1939:345 (listed as valid species and subspecies); Ellerman, 1941:322 (listed as valid species and subspecies). Otomys typus jacksoni; Bohmann, 1952:43 (taxonomic revision, new name combination, retained as valid subspecies) Otomys typus [jacksoni]; Misonne, 1974:33 (listed in synonymy without indication of rank); Yalden et al., 1976:56 (faunal work, listed in synonymy without indication of rank); Musser & Carleton, 1993:682 (listed in synonymy without indication of rank). Otomys irroratus [jacksoni]; Delany, 1975:53 (faunal work, new name combination, listed in synonymy without indication of rank). Distribution. Alpine zone, 3300–4200 m, of Mount Elgon, straddling the border of southeastern Uganda-westcentral Kenya. Specimens examined. UGANDA: Mount Elgon, crater, 3300–4200 m (BMNH 93.2.3.34, 2.9.9.19, 35.2.22.37, 35.2.22.38); Mount Elgon, Kaburomi (MCZ 31368); Mount Elgon, Mude Cave camp, 3600 m (DM 6261).

Published as part of Taylor, Peter J., Lavrenchenko, Leonid A., Carleton, Michael D., Verheyen, Erik, Bennett, Nigel C., Oosthuizen, Carel J. & Maree, Sarita, 2011, Specific limits and emerging diversity patterns in East African populations of laminate-toothed rats, genus Otomys (Muridae: Murinae: Otomyini): Revision of the Otomys typus complex 3024, pp. 1-66 in Zootaxa 3024 (1) on pages 45-46, DOI: 10.11646/zootaxa.3024.1.1, http://zenodo.org/record/5280584