Ichthyomys tweedii Anthony 1921
Ichthyomys tweedii Anthony 1921, Am. Mus . Novit., 20: 1.
Type Locality: Ecuador, El Oro Prov., Río Amarillo, Portovelo, 2000 ft (610 m).
Vernacular Names: Tweedy's Ichthyomyine.
Synonyms: Ichthyomys caurinus Thomas 1924 .
Distribution: W Ecuador and C Panamá.
Conservation: IUCN – Lower Risk (lc).
Discussion: Taxonomy and distribution reviewed by Voss (1988), who placed caurinus in full synonymy.