Rheomys thomasi Dickey 1928
Rheomys thomasi Dickey 1928, Proc. Biol. Soc. Wash., 41: 11.
Type Locality: El Salvador, San Miguel Dept., Finca San Felipe, Cerro Cacaguatique, 3500 ft (1067 m).
Vernacular Names: Thomas' Ichthyomyine.
Synonyms: Rheomys chiapensis Hooper 1947; Rheomys stirtoni Dickey 1928 .
Distribution: Highlands of S México (Chiapas), Guatemala, and El Salvador.
Conservation: IUCN – Lower Risk (lc).
Discussion: Of two named subspecies, Voss (1988) retained stirtoni as valid in addition to the nominate form.