knysnaensis, Psammogobius Smith [J. L. B.] 1935:215 [Records of the Albany Museum Grahamstown v. 4; ref. 4066] Knysna, Cape Province, South Africa, southwestern Indian Ocean. Syntypes: AMS I.19414-001 [ex RUSI 269] (1), IA.5205 [ex AMG 015] (1); SAIAB [formerly RUSI] 85 [exAMG] 220 [ex AMG] (5), 269 [ex AMG] (orig. 4); SAM 18488 (3); USNM 93656 (1). •Valid as Psammogobius knysnaensis Smith 1935 -- (Maugé 1986:381 [ref. 6218], Hoese 1986:801 [ref. 5670], Schliewen 2011:220 [ref. 31738], Allen 2017:81 [ref. 35315], Parenti 2021:220 [ref. 38603], Larson 2022:131 [ref. 39971]). Current status: Valid as Psammogobius knysnaensis Smith 1935. Gobiidae: Gobiinae. Distribution: Southeastern Atlantic, southwestern Indian Ocean: Northern Cape, Western Cape, Eastern Cape, KwaZulu-Natal (South Africa). Habitat: brackish.