Rocky Mountain Tailed Frog
Ascaphus montanus
Mittleman and Myers, 1949
as-SKAF-us — maan-TAH-nus
SSAR 9th Edition Comments:
Nielson et al. (2001, Evolution 55: 147–160) presented evidence supporting the recognition of this species distinct from A. truei and Nielson et al. (2006, Herpetologica 62: 235–258) reported on data from allozymes and mtDNA that perhaps two evolutionarily significant units are distributed, respectively; south of the South Fork of the Salmon River populations, and northwest of the Salmon River (including Blue, Wallowa and Seven Devils mountains).
Range maps are based on curated specimens and provided gratis by CNAH.
(Created by Travis W. Taggart; Version: 2023.09.27.14.25.56)
Download GeoJSON polygon range file: - 0.39 MB
First instance(s) of published English names:
American Bell Toad (Ascaphus truei: Wright, Anna Allen, and Alex Hazen Wright. 1933. Handbook of frogs and toads. The frogs and toads of the United States and Canada Comstock Publishing Associates, Ithaca, NY. xi+231pp.); American Ribbed Toad (Ascaphus truei: Wright, Anna Allen, and Alex Hazen Wright. 1933. Handbook of frogs and toads. The frogs and toads of the United States and Canada Comstock Publishing Associates, Ithaca, NY. xi+231pp.); Rocky Mountain Tailed Frog (Ascaphus truei montanus: Schmidt, Karl P. 1953. A Check List of North American Amphibians and Reptiles. 6th Edition. University of Chicago Press, Chicago, Illinois. 280pp.);
Catalog of American Amphibians and Reptiles
Amphibian Species of the World
GenBank
USGS - Nonindigenous Aquatic Species Database
Selected References:
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1932
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Smith, Hobart M. Ascaphus truei Stejneger in Montana. Copeia 1932(2):100
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1949
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Mittleman, M. Budd and George S. Myers. Geographic variation in the ribbed frog, Ascaphus truei. Proceedings of the Biological Society of Washington 62:57–68
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1968
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Metter, Dean E. Ascaphus and A. truei. Catalogue of American Amphibians and Reptiles (69):1-2
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1993
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Jamieson, Barrie G. M., S. Y. Lee, and Kevin Long. Ultrastructure of the spermatozoon of the internally fertilizing frog Ascaphus truei (Ascaphidae: Anura: Amphibia) with phylogenetic considerations. Herpetologica 49(1):52-65
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1999
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Bury, R. Bruce, and Michael J. Adams. Variation in age at metamorphosis across a latitudinal gradient for the tailed frog, Ascaphus truei. Herpetologica 55(2):283-291
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2001
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Nielson, Marilyn, Kirk Lohman, and Jack Sullivan. Phylogeography of the Tailed Frog (Ascaphus truei): Implications for the biogeography of the Pacific Northwest. Evolution 55(1):147-160
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2006
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Nielson, Marilyn, Kirk Lohman, Charles H. Daugherty, Fred W. Allendorf, Kathy L. Knudsen, and Jack Sullivan. Allozyme and mitochondrial DNA variation in the Tailed Frog (Anura: Ascaphus): The influence of geography and gene flow. Herpetologica 62(3):235-258
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