Pseudoeurycea rex (Dunn, 1921)

Class: Amphibia > Order: Caudata > Family: Plethodontidae > Subfamily: Hemidactyliinae > Genus: Pseudoeurycea > Species: Pseudoeurycea rex

Oedipus rex Dunn, 1921, Proc. Biol. Soc. Washington, 34: 143. Holotype: FMNH 1814, by original designation. Type locality: "Sierra Santa Elena (near Tecpan), Guatemala (alt. 9500 feet)".

Pseudoeurycea rexTaylor, 1944, Univ. Kansas Sci. Bull., 30: 209.

Pseudoeurycea (Pseudoeurycea) rexDubois and Raffaëlli, 2012, Alytes, 28: 77-161.

English Names

Royal False Brook Salamander (Liner, 1994, Herpetol. Circ., 23: 14; Frank and Ramus, 1995, Compl. Guide Scient. Common Names Amph. Rept. World: 33).


High elevations of western Guatemala and Cerro Mozotal in adjacent Chiapas, Mexico, 2450 to over 4000 m elevation.

Geographic Occurrence

Natural Resident: Guatemala, Mexico


In the Pseudoeurycea rex group of Wake and Lynch, 1976, Sci. Bull. Nat. Hist. Mus. Los Angeles Co., 25: 61. See Elias, 1984, Contrib. Sci. Nat. Hist. Mus. Los Angeles Co., 348: 13. Köhler, 2011, Amph. Cent. Am.: 91–92, compared this species with others from Central America and provided a map and photograph. Raffaëlli, 2013, Urodeles du Monde, 2nd ed.: 280, provided a brief account, photograph, and map. Raffaëlli, 2022, Salamanders & Newts of the World: 627–628, provided an account, summarizing systematics (including a pers. comm. from Sean Rovito that this species may represent a complex), life history, population status, and distribution (including a polygon map). 

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