folletti, Entosphenus Vladykov [V. D.] & Kott [E.] 1976:975, Figs. 1-3 [Canadian Journal of Zoology v. 54 (no. 6); ref. 7400] Near Clear Lake Reservoir, Klamath River basin, California, U.S.A. Holotype: NMC 75-1549. Paratypes: (30). •Valid as Lampetra folletti (Vladykov & Kott 1976) -- (Lee et al. 1980:25 [ref. 22416], Lorion et al. 2000:1019 [ref. 25020]). •In genus Lampetra, not treated as valid in Page & Burr 2011 [ref. 31215]. •Valid as Entosphenus folletti Vladykov & Kott 1976 -- (Yamazaki & Goto 2000:8 [ref. 24514], Renaud 2011:26 [ref. 31770], Page et al. 2013:48 [ref. 32708], Page et al. 2023:35 [ref. 40505]). Current status: Valid as Entosphenus folletti Vladykov & Kott 1976. Petromyzontidae. Distribution: North America: California (U.S.A.). Habitat: freshwater.