erythropterus, Sicyopterus Keith [P.], Allen [G. R.] & Lord [C.] in Keith, Allen, Lord & Hadiaty 2012:311, Figs. 10-12 [Cybium v. 35 (no. 4) (for 2011); ref. 31972] Tirawiwa River, 132 km from mouth, 3°02.792"S, 136°22.852'E, West Papua, Indonesia. Holotype: MZB 20008. Paratypes: MNHN 2011-0041 (3), WAM P31447.003 (5). •Valid as Sicyopterus erythropterus Keith, Allen & Lord 2012 -- (Keith et al. 2015:88 [ref. 34328], Lord et al. 2020:131 [ref. 37663], Parenti 2021:417 [ref. 38603]). Current status: Valid as Sicyopterus erythropterus Keith, Allen & Lord 2012. Oxudercidae: Sicydiinae. Distribution: Western Pacific: Tirawiwa River drainage, West Papua (Indonesia). Habitat: freshwater, brackish, marine.