rhombosomoides, Rhadinocentrus Nichols [J. T.] & Raven [H. C.] 1928:1, Fig. 1 [American Museum Novitates No. 296; ref. 15864] Babinda Creek drainage, northeastern Queensland, Australia. Holotype: AMNH 9246. Paratypes: AMNH 9241 (1), AMS IA.4774 (1), QM I.5002 (1), USNM 143609 [ex AMNH 9241] (1). •Valid as Cairnsichthys rhombosomoides (Nichols & Raven 1928) -- (Allen & Cross 1982:105 [ref. 6251], Paxton et al. 1989:349 [ref. 12442], Aarn & Ivantsoff 1997:112 [ref. 23322], Unmack 2001:1061 [ref. 25797], Allen et al. 2002:143 [ref. 25930], Allen et al. 2006:689 [ref. 29066], Martin & Barclay 2013:155 [ref. 32819], Hammer et al. 2018:287 [ref. 35906], Martin 2018:1350 [ref. 36376]). Current status: Valid as Cairnsichthys rhombosomoides (Nichols & Raven 1928). Melanotaeniidae. Distribution: Australia: Cairns region south to Hull River near Tully, northern Queensland, Australia. Habitat: freshwater.