Sphenophryne thomsoni (Boulenger, 1890)

Class: Amphibia > Order: Anura > Family: Microhylidae > Subfamily: Asterophryinae > Genus: Sphenophryne > Species: Sphenophryne thomsoni

Genyophryne thomsoni Boulenger, 1890, Proc. Zool. Soc. London, 1890: 327. Holotype: BMNH 1889.7.1.12 according to Parker, 1934, Monogr. Frogs Fam. Microhylidae: 54; now renumbered BMNH 1947.2.10.46 according to Zweifel, 1971, Am. Mus. Novit., 2469: 1–13. Type locality: "Sudest Island [= Tagula I., Milne Bay Province, Papua New Guinea], between New Guinea and the Louisiade Archipelago" (Sudest I. is part of the Louisiade Archipelago according to Zweifel, 1985, in Frost (ed.), Amph. Species World: 368.

Sphenophryne thomsoniRivera, Kraus, Allison, and Butler, 2017, Mol. Phylogenet. Evol., 112: 4, by implication of the synonymy of Genyophryne with Sphenophryne

Asterophrys thomsoni — Dubois, Ohler, and Pyron, 2021, Megataxa, 5: 547, by implication. 

English Names

Thomson's Toothless Frog (Frank and Ramus, 1995, Compl. Guide Scient. Common Names Amph. Rept. World: 89).


Southeastern peninsula of New Guinea, mainly on the north side; from the eastern end of the Huon Peninsula to Milne Bay and the Louisade and d'Entrecasteaux Islands and Woodlark Island, Papua New Guinea, 0–1800 m elevation.

Geographic Occurrence

Natural Resident: Papua New Guinea

Endemic: Papua New Guinea


Reviewed by Zweifel, 1971, Am. Mus. Novit., 2469: 1–13. Menzies, 2006, Frogs New Guinea & Solomon Is.: 198–199, provided a brief account.

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