Dicamptodon tenebrosus (Baird and Girard, 1852)

Class: Amphibia > Order: Caudata > Family: Ambystomatidae > Genus: Dicamptodon > Species: Dicamptodon tenebrosus

English Names

Oregon Salamander (Yarrow, 1882, Bull. U.S. Natl. Mus., 24: 21).

Pacific Giant Salamander (Frank and Ramus, 1995, Compl. Guide Scient. Common Names Amph. Rept. World: 28; Collins, 1997, Herpetol. Circ., 25: 6).

Coastal Giant Salamander (Crother, Boundy, Campbell, de Queiroz, Frost, Highton, Iverson, Meylan, Reeder, Seidel, Sites, Taggart, Tilley, and Wake, 2001 "2000", Herpetol. Circ., 29: 22; Tilley, Highton, and Wake, 2012, in Crother (ed.), Herpetol. Circ., 39: 17; Highton, Bonett, and Jockusch, 2017, in Crother (ed.), Herpetol. Circ., 43: 26).


Pacific coast, coast ranges, and Cascade Mountains from southwestern British Columbia (Canada) to Mendocino County, California (USA).


This species was shown to be genetically distinct from Dicamptodon ensatus by Good, 1989, Evolution, 43: 728–744, who found a narrow hybrid zone between Dicamptodon ensatus and Dicamptodon tenebrosus in Mendocino County, California. Steele and Storfer, 2006, Mol. Ecol., 15: 2477–2487, reported on phylogeographic patterns. See detailed account by Petranka, 1998, Salamand. U.S. Canada: 152–156. Raffaëlli, 2007, Les Urodèles du Monde: 73–74, provided a brief account. Raffaëlli, 2013, Urodeles du Monde, 2nd ed.: 88–89, provided a brief account, photo, and map. Altig and McDiarmid, 2015, Handb. Larval Amph. US and Canada: 96–98, provided an account of larval morphology. 

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