Species that contain: Acipenser and transmontanus [ 6 ] records

aleutensis, Acipenser Fitzinger [L. J. F. J.] in Fitzinger & Heckel 1836:285 [Annalen des Wiener Museums der Naturgeschichte v. 1 (no. 12); ref. 2077] Canaga Island, Aleutian Islands, Alaska, U.S.A. [in error]. No types known. See Mecklenburg et al. 2002:115 [ref. 25968] who say not from Alaska and not transmontanus. •Questionably a synonym of Acipenser ruthenus Linnaeus 1758 -- (Kottelat 1997:32 [ref. 22952]). •Synonym of Acipenser transmontanus Richardson 1837 -- (Scott & Crossman 1998:100 [ref. 24570]). •Synonym of Acipenser ruthenus Linnaeus 1758 -- (Jouladeh-Roudbar et al. 2020:16 [ref. 37983]). Current status: Synonym of Acipenser ruthenus Linnaeus 1758. Acipenseridae. Habitat: freshwater, brackish.

ayresii, Acipenser (Antaceus) Duméril [A. H. A.] 1867:171, Pls. 12 (figs. 1-1b), 16 (fig. 3) [Nouvelles Archives du Muséum d'Histoire Naturelle, Paris v. 3; ref. 14072] San Francisco, California, U.S.A. Holotype (unique): whereabouts unknown. Also appeared in Duméril 1870:226, Pl. 18 (figs. 2, 2a-b) [ref. 1147]. •Synonym of Acipenser transmontanus Richardson 1836. Current status: Synonym of Acipenser transmontanus Richardson 1836. Acipenseridae. Habitat: freshwater.

brachyrynchus, Acipenser Ayres [W. O.] 1854:2 [The Pacific [newspaper] v. 3 and 4 (thru no. 6); ref. 157] San Francisco Bay, California, U.S.A. Possible syntypes: BMNH 1863.10.9.37 [from Ayres] (1). Appeared first as above on 1 Dec.; then in Ayres 1854 (Dec. 25):15 [ref. 18923]. •Synonym of Acipenser transmontanus Richardson 1836. Current status: Synonym of Acipenser transmontanus Richardson 1836. Acipenseridae. Habitat: freshwater.

caryi, Acipenser (Antaceus) Duméril [A. H. A.] 1867:169, Pl. 12 (figs. 2, 2a-b) [Nouvelles Archives du Muséum d'Histoire Naturelle, Paris v. 3; ref. 14072] San Francisco, California, U.S.A. Holotype: MCZ 24034 (not found). Also in Duméril 1870: 224, Pl. 18 (figs. 1, 1a-b) [ref. 1147]. •Synonym of Acipenser transmontanus Richardson 1836. Current status: Synonym of Acipenser transmontanus Richardson 1836. Acipenseridae. Habitat: freshwater.

putnami, Acipenser (Antaceus) Duméril [A. H. A.] 1867:178, Pl. 13 (figs. 1, 1a-b) [Nouvelles Archives du Muséum d'Histoire Naturelle, Paris v. 3; ref. 14072] San Francisco, California, U.S.A. Holotype (unique): MCZ (whereabouts unknown). Also appeared in Duméril 1870:243, Pl. 18 (figs. 2, 2a-b) [ref. 1147]. •Synonym of Acipenser transmontanus Richardson 1836. Current status: Synonym of Acipenser transmontanus Richardson 1836. Acipenseridae. Habitat: freshwater.

transmontanus, Acipenser Richardson [J.] (ex Gairdner) 1836:278, Pl. 97 (fig. 2) [Fauna Boreali-Americana Part 3; ref. 3731] Vancouver, Washington, U.S.A; and Columbia River as high as Fort Colville. Syntypes: (2) whereabouts unknown. •Valid as Acipenser transmontanus Richardson 1836 -- (Lee et al. 1980:42 [ref. 22416], Eschmeyer & Herald 1983:61 [ref. 9277], McAllister 1990:42 [ref. 14674], Page & Burr 1991:27 [ref. 18983], Artyukhin 1995:7 [ref. 23782], Bemis et al. 1997:37 [ref. 22871], Birstein & Bemis 1997:160 [ref. 29760], Scott & Crossman 1998:96 [ref. 24570], Fuller et al. 1999:22 [ref. 25838], Dyer 2000:89 [ref. 26678], Musick et al. 2000:10 [ref. 24959], Brito M. 2002:10 [ref. 37221], Mecklenburg et al. 2002:115 [ref. 25968], Moyle 2002:106 [ref. 26449], Wydoski & Whitney 2003:41 [ref. 27816], Nelson et al. 2004:58 [ref. 27807], Love et al. 2005:15 [ref. 37547], Scharpf 2005:7 [ref. 28940], McPhail 2007:30 [ref. 31199], Minckley & Marsh 2009:69 [ref. 31114], Page & Burr 2011:137 [ref. 31215], Hilton et al. 2011:136 [ref. 31407], Page et al. 2013:58 [ref. 32708], Pietsch & Orr 2015:18 [ref. 34694], Kells et al. 2016:88 [ref. 35888], Burton & Lea 2019:34 [ref. 37205], Lorenzoni et al. 2019:251 [ref. 37108], Love et al. 2021:31 [ref. 39279], Page et al. 2023:49 [ref. 40505]). Current status: Valid as Acipenser transmontanus Richardson 1836. Acipenseridae. Distribution: Eastern Pacific: Gulf of Alaska to Monterey, California (U.S.A.) and to Pacific coast of northern Baja California (Mexico); introduced in Lower Colorado River, Arizona, U.S.A., Chile, and Italy. Habitat: freshwater, brackish, marine.