Ascaphus montanus Mittleman and Myers, 1949

Class: Amphibia > Order: Anura > Family: Ascaphidae > Genus: Ascaphus > Species: Ascaphus montanus

Ascaphus truei montanus Mittleman and Myers, 1949, Proc. Biol. Soc. Washington, 62: 64. Holotype: USNM 102505, by original designation. Type locality: "tributary of Lincoln Creek, Glacier National Park, Flathead County, Montana", USA.

Ascaphus montanusNielson, Lohman, and Sullivan, 2001, Evolution, 55: 147.

English Names

Rocky Mountain Tailed Frog (Schmidt, 1953, Check List N. Am. Amph. Rept., Ed. 6: 57; Conant, Cagle, Goin, Lowe, Neill, Netting, Schmidt, Shaw, Stebbins, and Bogert, 1956, Copeia, 1956: 5; Crother, Boundy, Campbell, de Queiroz, Frost, Green, Highton, Iverson, McDiarmid, Meylan, Reeder, Seidel, Sites, Tilley, and Wake, 2003, Herpetol. Rev., 34: 196; Frost, McDiarmid, and Mendelson, 2008, in Crother (ed.), Herpetol. Circ., 37: 4 Collins and Taggart, 2009, Standard Common Curr. Sci. Names N. Am. Amph. Turtles Rept. Crocodil., ed. 6: 8; Frost, McDiarmid, Mendelson, and Green, 2012, in Crother (ed.), Herpetol. Circ., 39: 14; Frost, Lemmon, McDiarmid, and Mendelson, 2017, in Crother (ed.), Herpetol. Circ., 43: 9).

Montana Tailed Frog (Adams, 2005, in Lannoo (ed.), Amph. Declines: 382).  

Distribution

High-gradient stream areas of western Montana and northern Idaho in northeastern Oregon and southeastern Washington, USA; extreme southeastern British Columbia (Canada).

Comment

See comments under Ascaphus truei and AscaphusAdams, 2005, in Lannoo (ed.), Amph. Declines: 382, provided a detailed but brief account. Nielson, Lohman, Daugherty, Allendorf, Knudsen, and Sullivan, 2006, Herpetologica, 62: 235-258, supported the previous distinction of Ascaphus montanus and Ascaphus truei, and noted that two "Evolutionarily Significant Units" (i.e., species under phylogenetic or evolutionary definitions—DRF) within Ascaphus montanus: 1) populations south of the South Fork of the Salmon River, and 2) populations to the north and west of the Salmon River (including the Blue, Wallowa, and Seven Devils Mountains). See account by Dodd, 2013, Frogs U.S. and Canada, 1: 1-7.  Elliot, Gerhardt, and Davidson, 2009, Frogs and Toads of N. Am.: 302–303, provided an account and photos. Altig and McDiarmid, 2015, Handb. Larval Amph. US and Canada: 214–216, provided an account of larval morphology and biology.  

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