Pseudophryne occidentalis Parker, 1940, Novit. Zool., 42: 97. Holotype: BMNH 1937.7.22.42, by original designation; now renumbered 1947.2.20.27 according to Cogger, Cameron, and Cogger, 1983, Zool. Cat. Aust., Amph. Rept., 1: 27, and M.J. Tyler in Frost, 1985, Amph. Species World: 405. Type locality: "Bruce Rock, West[ern] Australia".
Kankanophryne occidentalis — Heyer and Liem, 1976, Smithson. Contrib. Zool., 233: 12.
Pseudophryne occidentalis — Tyler, 1978, Amph. S. Aust.: 47. Tyler and Davies, 1980, Trans. R. Soc. S. Aust., 104: 20.
Orange-crowned Toadlet (Cogger, 1975, Rept. Amph. Australia: 78; Frank and Ramus, 1995, Compl. Guide Scient. Common Names Amph. Rept. World: 95; Barker, Grigg, and Tyler, 1995, Field Guide Aust. Frogs., Ed. 2: 277).
Western Toadlet (Tyler and Doughty, 2009, Field Guide Frogs W. Aust., 4th ed.: 114).
Inland Southwestern Western Australia (approaching the western coast at Shark Bay and trending southeast from there to near the southern coast south of Balladonia Rock.
See account by Tyler and Doughty, 2009, Field Guide Frogs W. Aust., 4th ed.: 114. See brief account by Tyler and Knight, 2009, Field Guide Frogs Aust.: 136-137.
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