arenicola, Thysanophrys Schultz [L. P.] in Schultz et al. 1966:60, Pl. 130 (figs. b-c); Fig. 148 [Bulletin of the United States National Museum No. 202, v. 3; ref. 5366] Lagoon reef at Naen Island, Rongelap Atoll, western Pacific. Holotype: USNM 141007. Paratypes: USNM 112391-93 (1, 1, 1), 141733 (1), 152918-19 (1, 1), 202554-55 [ex UW] (1, 4). •Valid as Thysanophrys arenicola Schultz 1966 -- (Ochiai in Masuda et al. 1984:322 [ref. 6441], Knapp 1986:485 [ref. 5683], Shao & Chen 1987:87 [ref. 8042], Paxton et al. 1989:471 [ref. 12442], Winterbottom et al. 1989:22 [ref. 13251], Randall et al. 1990:87 [ref. 15987], Randall et al. 1997:87 [ref. 25919], Myers 1999:104 [ref. 23965], Knapp 1999:2417 [ref. 24807], Allen & Adrim 2003:30 [ref. 26830]). •Valid as Eurycephalus arenicola (Schultz 1966) -- (Imamura 1996:210 [ref. 22700], Imamura & Knapp 1999:183 [ref. 23886], Nakabo 2000:619 [ref. 25086], Nakabo 2002:619 [ref. 26001], Manilo & Bogorodsky 2003:S103 [ref. 27377], Myers & Donaldson 2003:620 [ref. 27495], Randall 2005:132 [ref. 28239]). •Valid as Eurycephalus arenicolus (Schultz 1966) -- (Heemstra et al. 2004:3318 [ref. 27945]). •Valid as Sunagocia arenicola (Schultz 1966) -- (Knapp & Imamura 2004:545 [ref. 28022], Paxton et al. 2006:946 [ref. 29079], Fricke et al. 2011:382 [ref. 31242], Allen & Erdmann 2012:257 [ref. 31980], Knapp & Randall 2013:98 [ref. 32932], Fricke et al. 2014:56 [ref. 33932], Koeda et al. 2016:23 [ref. 35333], Fricke et al. 2018:141 [ref. 35805], Wada et al. 2021:38 [ref. 38521], Knapp 2022:596 [ref. 39727]). Current status: Valid as Sunagocia arenicola (Schultz 1966). Platycephalidae. Distribution: Indo-West Pacific: KwaZulu-Natal (South Africa), East Africa, Seychelles, Comoros, Madagascar and eastern Mascarenes (Rodrigues) east to Marshall Islands and Fiji, north to Amami Islands (southern Japan), south to Queensland (Australia) and Solomon Islands. Habitat: marine.