Pseudis laevis Parker, 1935, Proc. Zool. Soc. London, 1935: 510. Holotype: BMNH 1947.2.25.85 (formerly 1933.6.19.12) according to Condit, 1964, J. Ohio Herpetol. Soc., 4: 98. Type locality: "Rupununi Savannah, British Guiana [= Guyana]".
Lysapsus laevis — Savage and Carvalho, 1953, Zoologica, New York, 38: 197. Klappenbach, 1985, Comun. Zool. Mus. Hist. Nat. Montevideo, 11: 1-23; Garda, Santana, and São-Pedro, 2010, Zootaxa, 2666: 1-28.
Lysapsus limellus laevis — Gallardo, 1961, Bull. Mus. Comp. Zool., 125: 128.
Pseudis laevis — Aguiar, Bacci, Lima, Rossa-Feres, Haddad, and Recco-Pimentel, 2007, Cladistics, 23: 455. .
Guyana Harlequin Frog (Frank and Ramus, 1995, Compl. Guide Scient. Common Names Amph. Rept. World: 97).
Southwestern Guyana and adjacent northern Brazil.
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