Order Marsupialia Author James H. Honacki Author Kenneth E. Kinman Author James W. Koeppl text 1982 Alien Press, Inc. & The Association of Systematics Collections Lawrence, Kansas, USA Editor James H. Honacki Editor Kenneth E. Kinman Editor James W. Koeppl Mammal Species of the World (1 st Edition) 18 51 book chapter 193501 10.5281/zenodo.7353009 0ed82c77-7030-44fa-abe5-bdc1d9185772 0-89327-235-3 7353009 Marmosa alstoni (J. A. Allen, 1900) . Bull. Am. Mus. Nat. Hist., 13: 189 . TYPE LOCALITY: Costa Rica , Cartago , Tres Rios . DISTRIBUTION: W. Colombia ; Central America north to Belize and Honduras . COMMENT: Included in cinerea by Pine, 1973, in Collins, but treated as a separate species by Kirsch and Calaby, 1977:14 .