traskii, Hysterocarpus Gibbons [W. P.] 1854:p. 2, col. 3 [Daily Placer Times and Transcript [newspaper] v. 5 (no. 1274); ref. 5207] San Francisco Bay or Sacramento River, California, U.S.A. No types known. Appeared first in newspaper as above; then in Gibbons 1854:105 [ref. 18929]. •Valid as Hysterocarpus traskii Gibbons 1854 -- (Tarp 1952:78 [ref. 12250], Lee et al. 1980:776 [ref. 22416], Page & Burr 1991:336 [ref. 18983] as traski, Fuller et al. 1999:455 [ref. 25838], Moyle 2002:424 [ref. 26449] as traski, Nelson et al. 2004:153 [ref. 27807], Scharpf 2009:10 [ref. 30400] subspecies traskii, Page & Burr 2011:614 [ref. 31215] with 3 subspecies, Page et al. 2013:158 [ref. 32708], Longo et al. 2018:594 [ref. 36149], Page et al. 2023:160 [ref. 40505]). Current status: Valid as Hysterocarpus traskii Gibbons 1854. Embiotocidae. Distribution: California, U.S.A.[subspecies traskii, excluding Clear Lake and Russian River]. Habitat: freshwater, brackish.