helenae, Craterocephalus Ivantsoff [W.], Crowley [L. E. L. M.] & Allen [G. R.] 1987:177, Fig. 3 [Records of the Western Australian Museum v. 13 (pt 2); ref. 6229] Downstream from Gibb River Road, Kimberley, Western Australia, 15°41'S, 126°32'E. Holotype: WAM P.25456-003. Paratypes: AMS I.25436-001 (5), I.25449-001 (1); WAM P.25406-009 (2), P.25424-008 (4), P.25456-012 [not P.25456-003] (8), P.25873-010 (8). Type catalog: Hutchins & Smith 1991:14 [ref. 19335], Moore et al. 2008:15 [ref. 30117]. •Valid as Craterocephalus helenae Ivantsoff, Crowley & Allen 1987 -- (Allen & Leggett 1990:536 [ref. 20887], Crowley & Ivantsoff 1992:280 [ref. 20015], Unmack 2001:1061 [ref. 25797], Hutchins 2001:25 [ref. 25847], Allen et al. 2002:134 [ref. 25930], Larson et al. 2005:84 [ref. 28361], Paxton et al. 2006:707 [ref. 28995], Ivantsoff & Allen 2011:50 [ref. 31135], Morgan et al. 2011:13 [ref. 31262]). Current status: Valid as Craterocephalus helenae Ivantsoff, Crowley & Allen 1987. Atherinidae: Craterocephalinae. Distribution: Australia: Drysdale River system (Kimberley, Western Australia) endemic. Habitat: freshwater.