cerberusi, Paraxenisthmus Winterbottom [R.] & Gill [A. C.] 2006:10, Figs. 1-3 [Copeia 2006 (no. 1); ref. 28540] Southwest corner of Augulpelu Reef, southeast of Koror Island, 7°16'54.3'N, 134°31'38.7"E, Palau, depth 15-26.5 meters. Holotype: ROM 76575. Paratypes: ROM 1765 (1, c&s), 76576 (1), 77854 (1) •Valid as Paraxenisthmus cerberusi Winterbottom & Gill 2006 -- (Parenti 2021:56 [ref. 38603]). Current status: Valid as Paraxenisthmus cerberusi Winterbottom & Gill 2006. Xenisthmidae. Distribution: Western Pacific: Palau. Habitat: marine.