crassiceps, Alionematichthys Møller [P. R.] & Schwarzhans [W.] 2008:95, 4-6 [The Beagle, Records of the Museums and Art Galleries of the Northern Territory No. 24; ref. 29997] Truk, Caroline Islands, Southfield beach, 8°00'N, 147°00'E, depth 0-4 meters. Holotype: BPBM 9310. Paratypes: many at AMS, BPBM, CAS, USNM. Plus non-type specimens tentatively assigned and as additional material. •Valid as Alionematichthys crassiceps Møller & Schwarzhans 2008 -- (Allen & Erdmann 2012:130 [ref. 31980], Schwarzhans & Møller 2011:163 [ref. 31834], Møller et al. 2016:Appendix B [ref. 34432] in Dinematichthyidae, Allen & Erdmann 2024:144 [ref. 40796]). Current status: Valid as Alionematichthys crassiceps Møller & Schwarzhans 2008. Dinematichthyidae. Distribution: Eastern Indian Ocean, western Pacific: ceanic islands of West Pacific and Western Australia; tentative records from Taiwan. Habitat: marine.