Rhaebo nasicus (Werner, 1903)

Class: Amphibia > Order: Anura > Family: Bufonidae > Genus: Rhaebo > Species: Rhaebo nasicus

Bufo nasicus Werner, 1903, Zool. Anz., 26: 252. Holotype: IRSNB I.G. 9422 reg. 1.015 (formerly 4792) according to Smith and Laurent, 1950, Bull. Mus. R. Hist. Nat. Belg., 26: 1; subsequently reported as IRSNB 1.015 by Lang, 1990, Doc. Trav., Inst. R. Sci. Nat. Belg., 59: 7. Type locality: "ohne irgend welche Fundortsangabe" (= without locality data); restricted to "South America, probably along the Atlantic drainage" by Smith and Laurent, 1950, Bull. Mus. R. Hist. Nat. Belg., 26: 2.

Rhinella nasicaFrost, Grant, Faivovich, Bain, Haas, Haddad, de Sá, Channing, Wilkinson, Donnellan, Raxworthy, Campbell, Blotto, Moler, Drewes, Nussbaum, Lynch, Green, and Wheeler, 2006, Bull. Am. Mus. Nat. Hist., 297: 366.

Rhaebo nasicusFrost, 2006, Amph. Spec. World, vers. 4.0: 434.

English Names

Werner's Toad (Frank and Ramus, 1995, Compl. Guide Scient. Common Names Amph. Rept. World: 42).


Eastern Venezuela and northwestern Guyana, 100–1410 m elevation.

Geographic Occurrence

Natural Resident: Guyana, Venezuela


Hoogmoed, 1977, Zool. Meded., Leiden, 51: 265-275, provided an account (as Bufo nasicus). Barrio-Amorós, 1999 "1998", Acta Biol. Venezuelica, 18: 10, commented on the range in Venezuela. Transferred to the Bufo guttatus group (now Rhaebo) by Pramuk, 2006, Zool. J. Linn. Soc., 146: 434, which is Rhaebo of this catalogue. Kok and Kalamandeen, 2008, Intr. Taxon. Amph. Kaieteur Natl. Park: 128–129, provided an account. MacCulloch and Lathrop, 2009, R. Ontario Mus. Contrib. Sci., 4: 12, commented on specimens from Mount Ayanganna, Guyana. See Cole, Townsend, Reynolds, MacCulloch, and Lathrop, 2013, Proc. Biol. Soc. Washington, 125: 378–379, for brief account and records for Guyana. Señaris, Lampo, Rojas-Runjaic, and Barrio-Amorós, 2014, Guía Ilust. Anf. Parque Nac. Canaima: 64–65, provided a brief account for the Parque Nacional de Canaima, Venezuela, and photograph. See Barrio-Amorós, Rojas-Runjaic, and Señaris, 2019, Amph. Rept. Conserv., 13 (1: e180): 14–15, for remarks on taxonomy, range (including a record from Auyant-tepui), and literature. Señaris and Rojas-Runjaic, 2020, in Rull and Carnaval (eds.), Neotrop. Divers. Patterns Process.: 571–632, commented on range and conservation status in the Venezuelan Guayana.

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