Eleutherodactylus varians ionthus Schwartz, 1960, Sci. Publ. Reading Public Mus. Art Gallery, 11: 6. Holotype: AMNH 63414, by original designation. Type locality: "6 miles east of La Maya, Oriente Province [now in Santiago de Cuba Province], Cuba".
Eleutherodactylus ionthus — Hedges, Estrada, and Thomas, 1992, Herpetol. Monogr., 6: 67-70.
Eleutherodactylus (Eleutherodactylus) ionthus — Lynch and Duellman, 1997, Univ. Kansas Mus. Nat. Hist. Spec. Publ., 23: 226. Heinicke, Duellman, and Hedges, 2007, Proc. Natl. Acad. Sci. USA, Suppl. Inform., 104: 9.
La Maya Robber Frog (Frank and Ramus, 1995, Compl. Guide Scient. Common Names Amph. Rept. World: 76).
Southern Santiago de Cuba and Granma provinces in the Sierra Maestra, Cuba, 0-1250 m elevation.
In the Eleutherodactylus auriculatus group according to the original publication. Removed from the synonymy of Eleutherodactylus varians by Hedges, Estrada, and Thomas, 1992, Herpetol. Monogr., 6: 67-70. In the Eleutherodactylus (Eleutherodactylus) martinicensis series, Eleutherodactylus martinicensis group of Lynch and Duellman, 1997, Univ. Kansas Mus. Nat. Hist. Spec. Publ., 23: 226. In the Eleutherodactylus (Eleutherodactylus) varians species series, Eleutherodactylus varians species group, Eleutherodactylus varians species subgroup of Hedges, Duellman, and Heinicke, 2008, Zootaxa, 1737: 62-64. See map, description of geographic range and habitat, and conservation status in Stuart, Hoffmann, Chanson, Cox, Berridge, Ramani, and Young, 2008, Threatened Amph. World: 349. Díaz and Cadíz, 2008, Guía Taxon. Anf. Cuba, 4: 122-123, provided a brief account, illustration, and map.
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