Class [Mammalia] Linnaeus, 1758 - mammals
   Order Rodentia Bowdich, 1821 - rodents
     Family Muridae Batsch, 1788 - rats, mice, hamsters, voles, lemmings, and gerbils
       Subfamily Hesperomyinae Murray, 1866 - New-World mice and rats see Subfamily Sigmodontinae Wagner, 1843
         Genus Reithrodontomys Giglioli, 1873 - American harvest mice
           01 Reithrodontomys brevirostris Goodwin, 1943 - short-nosed harvest mouse
           02 Reithrodontomys burti Benson, 1939 - Sonoran harvest mouse
           03 Reithrodontomys chrysopsis Merriam, 1900 - volcano harvest mouse
           04 Reithrodontomys creper Bangs, 1902 - Chiriqui harvest mouse
           05 Reithrodontomys darienensis Pearson, 1939 - Darien harvest mouse
           06 Reithrodontomys fulvescens J.A. Allen, 1894 - fulvous harvest mouse
           07 Reithrodontomys gracilis J. A. Allen & Chapman, 1897 - slender harvest mouse
           08 Reithrodontomys hirsutus Merriam, 1901 - hairy harvest mouse
           09 Reithrodontomys humulis (Audubon & Bachman, 1841) - eastern harvest mouse
           10 Reithrodontomys megalotis (Baird, 1858) - western harvest mouse
           11 Reithrodontomys mexicanus Saussure, 1860 - Mexican harvest mouse
           12 Reithrodontomys microdon Merriam, 1901 - small-toothed harvest mouse
           13 Reithrodontomys montanus (Baird, 1855) - plains harvest mouse
           14 Reithrodontomys paradoxus Jones & Genoways, 1970
           15 Reithrodontomys raviventris Dixon, 1908 - saltmarsh harvest mouse
           16 Reithrodontomys rodriguezi Goodwin, 1943 - Rodriguez's harvest mouse
           17 Reithrodontomys spectabilis Jones & Lawlor, 1965 - Cozumel harvest mouse
           18 Reithrodontomys sumichrasti Saussure, 1861 - Sumichrast's harvest mouse
           19 Reithrodontomys tenuirostris Merriam, 1901 - narrow-nosed harvest mouse