richardsoni, Lampetra Vladykov [V. D.] & Follett [W. I.] 1965:143, Figs. 3-9 [Journal of the Fisheries Research Board of Canada v. 22 (no. 1); ref. 9265] Smith Creek, Cultus Lake, British Columbia, Canada. Holotype: NMC 1964-57. Paratypes: CAS 35324-26 (4, 1, 1); NMW 74958 (1), 74967 (1); ROM 577 (1); UMMZ 97216 (2), 126160 (6), 126336 (4); UW 245 (11), 355 (6), 359 (9), 547 (5), 967 (1), 4668 (1), 4750 (9), 6233 (1); BCMP 569 (15). Other paratypes at BCPM, NMC,UBC, USNM. Type catalog: McAllister 1965:6 [ref. 22019]. See account ofmarifuga. •Valid as Lampetra richardsoni Vladykov & Follett 1965 -- (Lee et al. 1980:32 [ref. 22416], McAllister 1990:26 [ref. 14674], Page & Burr 1991:23 [ref. 18983], Scott & Crossman 1998:65 [ref. 24570], Mecklenburg et al. 2002:65 [ref. 25968], Beamish et al. 2002:573 [ref. 26237], Moyle 2002:104 [ref. 26449], Wydoski & Whitney 2003:38 [ref. 27816], Nelson et al. 2004:48 [ref. 27807], Scharpf 2005:6 [ref. 28940], McPhail 2007:12 [ref. 31199], Lang et al. 2009:55 [ref. 31599] as "Lampetra" richardsoni, Page & Burr 2011:131 [ref. 31215], Reid et al. 2011:42 [ref. 31592], Renaud 2011:65 [ref. 31770], Page et al. 2013:48 [ref. 32708], Mateus et al. 2013:46 [ref. 32714], Page et al. 2023:36 [ref. 40505]). Current status: Valid as Lampetra richardsoni Vladykov & Follett 1965. Petromyzontidae. Distribution: Western North America: southern Alaska, British Columbia to northern California, U.S.A. Habitat: freshwater.