tansei, Platygobiopsis Okiyama [M.] 2008:85, Figs. 1-3, plus 4-8 [Bulletin of the National Museum of Nature and Science (Ser. A) Supplement No. 2; ref. 29577] Off Kunozan, Suruga Bay, Sizuoka Prefecture, Japan, 37°55.9'N, 138°30.6'E, depth 92-120 meters. Holotype: NSMT-P 33282. Paratypes: BSKU 19127 (1), 20122-25 (4); FAKU 50551 (1); NSMT-P 19015 (3), 33283 (1), 77001-03 (3), 77004-06 (3), 77007 (1), 77008-10 (3), 77011 (1). Treated as a noun in apposition. •Valid as Platygobiopsis tansei Okiyama 2008 -- (Shibukawa 2010:97 [ref. 30809], Matsui et al. 2014:6 [ref. 33344], Larson et al. 2020:17 [ref. 37261], Parenti 2021:210 [ref. 38603]). Current status: Valid as Platygobiopsis tansei Okiyama 2008. Gobiidae: Gobiinae. Distribution: Northwestern Pacific: southern Japan. Habitat: marine.