Species that contain: Syacium and micrurum [ 4 ] records

aethalion, Syacium Jordan [D. S.] 1886:52 [Proceedings of the United States National Museum v. 9 (no. 551); ref. 2386] Havana, Cuba. Syntypes: (3) USNM 37748 (1). •Synonym of Syacium micrurum Ranzani 1842 -- (Murakami & Amaoka 1992:74 [ref. 19779]). Current status: Synonym of Syacium micrurum Ranzani 1842. Cyclopsettidae. Habitat: marine.

guineensis, Hemirhombus Bleeker [P.] in Günther 1862:423 [Catalogue of the fishes in the British Museum v. 4; ref. 1969] Coast of Guinea. Holotype: RMNH 3546 (poor condition). Description is quoted from Bleeker. Also appeared in Bleeker 1863:25, Pl. 3 [ref. 395]. Combined with a neuter genus, the adjective becomes guineense. •Synonym of Syacium micrurum Ranzani 1842 -- (Aldebert et al. 1990:1035 [ref. 19526]). •Valid as Syacium guineense (Bleeker 1862) (often seen as guineensis) -- (Fraser 1971:501 [ref. 21277], Murakami & Amaoka 1992:67 [ref. 19779], Heemstra in Smith & Heemstra 1995:xiv [ref. 21953], Wirtz et al. 2007:41 [ref. 30263], Wirtz et al. 2013:135 [ref. 32972], Wirtz et al. 2014:11 [ref. 33516], Munroe in Carpenter & De Angelis 2016:2999 [ref. 34618], Reiner 2019:294 [ref. 38139] as guineensis, Fermon et al. 2022:232 [ref. 39448]). Current status: Valid as Syacium guineense (Bleeker 1862). Cyclopsettidae. Distribution: Eastern Atlantic: western Sahara south to Namibia, including Cape Verde Islands, and São Tomé and Principe. Habitat: marine.

micrurum, Syacium Ranzani [C.] 1842:16, Pl. 5 [Novi Commentarii Academiae Scientiarum Instituti Bononiensis v. 5; ref. 3606] Brazil. Holotype (unique): MZUB 948. See also Santos et al. 1997:131 [ref. 23531]. •Valid as Syacium micrurum Ranzani 1842 -- (Gutherz 1967:39 [ref. 23862], Fraser 1971:501 [ref. 21277], Hensley 1986:863 [ref. 5669], Robins & Ray 1986:292 [ref. 23100], Scott & Scott 1988:541 [ref. 25518], McAllister 1990:220 [ref. 14674], Aldebert et al. 1990:1035 [ref. 19526], Boschung 1992:176 [ref. 23239], Murakami & Amaoka 1992:74 [ref. 19779], Cervigón 1992:278 [ref. 23827], Bianchi & Carpenter in Bianchi et al. 1993:178 [ref. 25472], Andreata & Séret 1996:589 [ref. 16204] dated 1840, Cervigón 1996:65 [ref. 24489], Arruda 1997:119 [ref. 24952], Smith-Vaniz et al. 1999:341 [ref. 25013], Afonso et al. 1999:87 [ref. 25466], Keith et al. 2000:242 [ref. 24547], Saavedra-Díaz et al. 2000:307 [ref. 24565], Camargo & Isaac 2001:144 [ref. 27639], Munroe 2003:1921 [ref. 27118], Menezes & Figueiredo in Menezes et al. 2003:106 [ref. 27192], Nelson et al. 2004:180 [ref. 27807], McEachran & Fechhelm 2005:859 [ref. 28815], Page et al. 2013:186 [ref. 32708], see Wirtz et al. 2014:11 [ref. 33515], Spier et al. 2018:18 [ref. 36103], Carneiro et al. 2019:188 [ref. 37250], Robertson et al. 2020:160 [ref. 38098], Rotundo et al. in Marceniuk et al. 2021:388 [ref. 38945], Robertson et al. 2022:87 [ref. 39353], Carvalho-Filho 2023:272 [ref. 40480], Hoff et al. 2023:6 [ref. 40463], Page et al. 2023:132 [ref. 40505]). Current status: Valid as Syacium micrurum Ranzani 1842. Cyclopsettidae. Distribution: Western Atlantic: South Carolina (U.S.A.) south to Santa Catarina (Brazil), including Gulf of Mexico and Caribbean Sea; southern-central Atlantic: ?Ascension Island. Habitat: marine.

ocellatus, Hippoglossus Poey [F.] 1860:314 [Memorias sobre la historia natural de la Isla de Cuba v. 2; ref. 3499] Cuba. Holotype: MCZ 11188. Paratypes: MCZ 11144 (1), 11192 (1), 11194 (1); ?NMW 43858 (1). Type catalog: Howell Rivero 1938:181 [ref. 22926] with a holotype and paratypes, but probably syntypes originally. •Synonym of Syacium micrurum Ranzani 1842 -- (Murakami & Amaoka 1992:74 [ref. 19779]). Current status: Synonym of Syacium micrurum Ranzani 1842. Cyclopsettidae. Habitat: marine.