phalacrus, Halosaurus Vaillant [L. L.] 1888:185, Pl. 15 (fig. 3), 16 (figs. 1-1c) [Expéditions scientifiques du "Travailleur" et du "Talisman"; ref. 4496] Morocco [eastern Atlantic], 1103-2190 meters; Sudan [Red Sea], 1250-1435 m; Azores [northeastern Atlantic], 37°35'N, 29°26'W, depth 1442-2220 meters. Lectotype: MNHN 1885-0382. Paralectotypes: (11) BMNH 1890.6.16.56 [ex MNHN] (1); MNHN 1885-0370 (1), 1885-0385 (1), 1885-0386 (1), 1885-0388 (1), 1885-0398 (2); USNM 42105 (1). Type catalog: Bertin & Estève 1950:33 [ref. 19576] with 1885-382 as holotype; that specimen designated lectotype by Eschmeyer 1998:1328 [ref. 23416]; Smith 1994:41 [ref. 21917]. •Valid as Aldrovandia phalacra (Vaillant 1888) -- (McDowell 1973:105 [ref. 24539], Harrisson 1973:255 [ref. 7189], Sulak in Whitehead et al. 1986:594 [ref. 13676], Sulak 1986:197 [ref. 5720], Pequeño 1989:27 [ref. 14125], Shcherbachev et al. 1989:169 [ref. 36134], Machida in Amaoka et al. 1990:100 [ref. 16024], Sulak 1990:128 [ref. 19326], Okamura & Takahashi in Okamura et al. 1995:63 [ref. 22531], Santos et al. 1997:17 [ref. 23531], Adam et al. 1998:8 [ref. 23610], Trunov 1999:462 [ref. 24579], Smith 1999:1626 [ref. 24661], Pakhorukov 1999:656 [ref. 24883], Hutchins 2001:18 [ref. 25847], Smith 2003:687 [ref. 26989], Moore et al. 2003:172 [ref. 27076], Mundy 2005:110 [ref. 28379], Paxton et al. 2006:230 [ref. 28995], Costa & Mincarone 2010:353 [ref. 37483], Shelyagin 2010:512 [ref. 31017], Møller et al. 2010:19 [ref. 31169], Lins Oliveira et al. 2015:37 [ref. 37485], Bañón et al. 2016:303 [ref. 34397], Smith 2016:1598 [ref. 34556], Bañón et al. 2016:482 [ref. 34875], Golani & Fricke 2018:19 [ref. 36273], Carneiro et al. 2019:56 [ref. 37250], Kawai et al. 2020:3 [ref. 37784], Bañón & Maño 2021:48 [ref. 38883], Page et al. 2023:50 [ref. 40505]). Current status: Valid as Aldrovandia phalacra (Vaillant 1888). Halosauridae. Distribution: Circumglobal in warm to temperate seas (including Red Sea). Habitat: marine.