Glossostoma aterrimum Günther, 1901, Biol. Centr. Amer., Rept. Batr., Part 164: 210. Type(s): Not stated; BMNH 1902. 5. 12. 6 reported as holotype by Parker, 1934, Monogr. Frogs Fam. Microhylidae: 144. Type locality: "Costa Rica".
Gastrophryne aterrima — Parker, 1927, Occas. Pap. Mus. Zool. Univ. Michigan, 187: 5.
Microhyla aterrima — Parker, 1934, Monogr. Frogs Fam. Microhylidae: 143.
Glossostoma aterrimum — Carvalho, 1954, Occas. Pap. Mus. Zool. Univ. Michigan, 555: 11-12.
Nelsonophryne aterrima — Frost, 1987, Copeia, 1987: 1025.
Costa Rica Nelson Frog (Frank and Ramus, 1995, Compl. Guide Scient. Common Names Amph. Rept. World: 91).
Lowland and premontane zones from Costa Rica to montane Colombia and northwestern Ecuador.
See account by Savage, 2002, Amph. Rept. Costa Rica: 396-397. Mueses-Cisneros and Moreno-Quintero, 2012, Herpetotropicos, Mérida, 7: 39-54, provided the first record for Nariño, southwestern Colombia.
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