zacalles, Pterogobius Jordan [D. S.] & Snyder [J. O.] 1901:93, Fig. 18 [Proceedings of the United States National Museum v. 24 (no. 1244); ref. 2509] Rock pook on Yogashima Island, Misaki, Kanagawa Prefecture, Sagami Sea, Japan. Holotype (unique): CAS-SU 6453. Type catalog: Koumans 1940:143 [ref. 2676], Böhlke 1953:116 [ref. 12291]. •Valid as Pterogobius zacalles Jordan & Snyder 1901 -- (Lindberg & Krasyukova 1975:371 [ref. 7348], Akihito in Masuda et al. 1984:280 [ref. 6441], Kang 1990:238 [ref. 39478], Nakabo 2000:1209 [ref. 25182], Nakabo 2002:1209 [ref. 26193], Choi et al. 2003:400, 664 [ref. 26218], Shibukawa & Iwata 2013:49 [ref. 32580], Matsui et al. 2014:5 [ref. 33344], Kim et al. 2020:173 [ref. 39118], Parenti 2021:288 [ref. 38603]). Current status: Valid as Pterogobius zacalles Jordan & Snyder 1901. Oxudercidae: Gobionellinae. Distribution: Northwestern Pacific: Korea and Japan. Habitat: marine.