johnsonianus, Halosaurus Vaillant [L. L.] 1888:181, Pl. 15 (figs. 2-2d) [Expéditions scientifiques du "Travailleur" et du "Talisman"; ref. 4496] Off western Sahara, 23°50'N, 17°17'W, depth 1139 meters. Lectotype: MNHN 1885-0361. Paralectotypes: BMNH 1890.6.16.57-58 [ex MNHN] (2); MCZ 27594 (2); MNHN 1885-0346 (1), -0347 (1), -0375 to 0378 (4), -0383 (1) -0384 (1), -0350 to 0352 (3), -0361 to 0362 (2), -0367 to 0368 (2), -0369 (1); USNM 42094 [ex MNHN 1885-0374], 42109 [ex MNHN 1885-0364] (1). Type catalog: Bertin & Estève 1950:32-33 [ref. 19576] with 1885-361 as holotype, Smith 1994:41 [ref. 21917]. Lectotype selected by Eschmeyer 1998:814 [ref. 23416]. •Valid as Halosaurus johnsonianus Vaillant 1888 -- (McDowell 1973:57 [ref. 24539], Harrisson 1973:254 [ref. 7189], Sulak in Whitehead et al. 1986:596 [ref. 13676], Sulak 1990:131 [ref. 19326], Santos et al. 1997:18 [ref. 23531], Pais et al. 2009:33 [ref. 30210], Smith 2016:1599 [ref. 34556], Bañón et al. 2016:478 [ref. 34875], Carneiro et al. 2019:56 [ref. 37250]). Current status: Valid as Halosaurus johnsonianus Vaillant 1888. Halosauridae. Distribution: Eastern Atlantic and offshore islands. Habitat: marine.