Philautus hansenae Cochran, 1927, Proc. Biol. Soc. Washington, 40: 181. Holotype: USNM 70109, by original designation. Type locality: "Nong Khor, southeastern Siam".
Rhacophorus (Chirixalus) hansenae — Ahl, 1931, Das Tierreich, 55: 56, 103.
Chirixalus hansenae — Bourret, 1942, Batr. Indochine: 475. Inger in Frost, 1985, Amph. Species World: 538.
Chiromantis hansenae — Frost, Grant, Faivovich, Bain, Haas, Haddad, de Sá, Channing, Wilkinson, Donnellan, Raxworthy, Campbell, Blotto, Moler, Drewes, Nussbaum, Lynch, Green, and Wheeler, 2006, Bull. Am. Mus. Nat. Hist., 297: 367.
Hansen's Asian Treefrog (Frank and Ramus, 1995, Compl. Guide Scient. Common Names Amph. Rept. World: 111).
Chon Buri Pigmy Tree Frog (Nutphund, 2001, Amph. Thailand: 154).
Hansen's Bushfrog (Chan-ard, 2003, Photograph. Guide Amph. Thailand: 144).
East-central and southeastern Thailand; presumably in adjacent Cambodia.
See accounts by Bourret, 1942, Batr. Indochine: 475-476, and (as Philautus hansenae) by Taylor, 1962, Univ. Kansas Sci. Bull., 43: 526-529. Nutphund, 2001, Amph. Thailand: 154, provided a brief characterization and photograph, which Ohler, 2003, Alytes, 21: 101, attributed to Hyla annectans. Chan-ard, 2003, Photograph. Guide Amph. Thailand: 144-145, provided a very brief account, map for Thailand, and photograph. Stuart and Emmett, 2006, Fieldiana, Zool., N.S.,, 109: 11, suggested that Chirixalus hansenae may be a junior synonym of Chirixalus vittatus.
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