Class [Mammalia] Linnaeus, 1758 - mammals
Count: [*] 21o;132f;1061g;4316s; ‡1f;5g;38s
Order Rodentia Bowdich, 1821 - rodents
Count: [*] 29f;399g;1788s; ‡1g;16s
Family Muridae Batsch, 1788 - rats, mice, hamsters, voles, lemmings, and gerbils
Count: [*] 255g;1149s; ‡1g;16s
Subfamily Hesperomyinae Murray, 1866 - New-World mice and rats
see Subfamily Sigmodontinae Wagner, 1843
Count: [*] 68g;366s; ‡1g;7s
Genus Thomasomys Coues, 1884 - Thomas's paramo mice
Count: [*] 25s
01 Thomasomys aureus Tomes, 1860
Count: -
02 Thomasomys baeops Thomas, 1899
Count: -
03 Thomasomys bombycinus Anthony, 1925
Count: -
04 Thomasomys cinereiventer J. A. Allen, 1912
Count: -
05 Thomasomys cinereus Thomas, 1882
Count: -
06 Thomasomys daphne Thomas, 1917
Count: -
07 Thomasomys dorsalis
see Delomys dorsalis Hensel, 1873
Count: -
08 Thomasomys gracilis Thomas, 1917
Count: -
09 Thomasomys hylophilus Osgood, 1912
Count: -
10 Thomasomys incanus Thomas, 1894
Count: -
11 Thomasomys ischyurus Osgood, 1914
Count: -
12 Thomasomys kalinowskii Thomas, 1894
Count: -
13 Thomasomys ladewi Anthony, 1926
Count: -
14 Thomasomys laniger Thomas, 1895
Count: -
15 Thomasomys monochromus
see Thomasomys monochromos Bangs, 1900
Count: -
16 Thomasomys notatus Thomas, 1917
Count: -
17 Thomasomys oenax
see Wilfredomys oenax (Thomas, 1928)
Count: -
18 Thomasomys oreas Anthony, 1926
Count: -
19 Thomasomys paramorum Thomas, 1898
Count: -
20 Thomasomys pictipes
see Wilfredomys pictipes (Osgood, 1933)
Count: -
21 Thomasomys pyrrhonotus Thomas, 1886
Count: -
22 Thomasomys rhoadsi Stone, 1914
Count: -
23 Thomasomys rosalinda Thomas & St. Leger, 1926
Count: -
24 Thomasomys taczanowskii Thomas, 1882
Count: -
25 Thomasomys vestitus Thomas, 1898
Count: -