Kaloula mediolineata Smith, 1917

Class: Amphibia > Order: Anura > Family: Microhylidae > Subfamily: Microhylinae > Genus: Kaloula > Species: Kaloula mediolineata

Callula mediolineata Smith, 1917, J. Nat. Hist. Soc. Siam, 2: 224. Syntypes: BMNH 1916.4.17.3, 1917.5.14.41-44, and 1921.4.1.279-283, according to Parker, 1934, Monogr. Frogs Fam. Microhylidae: 82. Type locality: "Prachuap Kirikan, S. W. Siam [Thailand]".

Kaloula mediolineataParker, 1934, Monogr. Frogs Fam. Microhylidae: 81.

English Names

Siam Narrowmouth Toad (Frank and Ramus, 1995, Compl. Guide Scient. Common Names Amph. Rept. World: 90).

White-backed Bullfrog (Nutphund, 2001, Amph. Thailand: 161).

Stripe-back Bullfrog (Nutphund, 2001, Amph. Thailand: 161).

Median-striped Bullfrog (Chan-ard, 2003, Photograph. Guide Amph. Thailand: 98).

Middle Back-stripe Bullfrog (Nguyen, Ho, and Nguyen, 2005, Checklist Amph. Rept. Vietnam: 43).


Southern mainland (non-peninsular) Thailand and presumably into adjacent Cambodia; intervening Laos and southwestern Vietnam (Dac Lac Province).


See accounts by Bourret, 1942, Batr. Indochine: 485-486, and Taylor, 1962, Univ. Kansas Sci. Bull., 43: 566-569. Orlov, Murphy, Ananjeva, Ryabov, and Ho, 2002, Russ. J. Herpetol., 9: 99, provided the Vietnam distribution without reference to voucher specimens. Nutphund, 2001, Amph. Thailand: 161, provided a brief characterization and photograph. Stuart, 1999, in Duckworth et al. (eds.), Wildlife in Lao PDR: 49, reported the species in Laos. Chan-ard, 2003, Photograph. Guide Amph. Thailand: 98-99, provided a very brief account, map for Thailand, and photograph. See statement of geographic range, habitat, and conservation status in Stuart, Hoffmann, Chanson, Cox, Berridge, Ramani, and Young, 2008, Threatened Amph. World: 626.

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