eudentatus, Sicyopterus Parenti [L. R.] & Maciolek [J. A.] 1993:964, Figs. 10, 11B, 12B [Bulletin of Marine Science v. 53 (no. 3); ref. 21279] 4th tributary of Nanpil River, Ponape, eastern Caroline Islands. Holotype: CAS 67387. Paratypes: BPBM 35018 [ex CAS 67389] (1); CAS 67385-86 (2), 67390-94 (5), 67395 (4, 2 c&s), 67396 (1, c&s), 67397 (1, c&s); ROM 64671 [ex CAS 67395] (1); USNM 322473 [ex CAS 67388] (1). •Questionably a synonym of Sicyopterus lagocephalus (Pallas 1770) -- (Watson et al. 2000:13 [ref. 25138]). •Questionably a synonym of Sicyopterus macrostetholepis (Bleeker 1853) -- (Kottelat 2013:428 [ref. 32989]). •Valid as Sicyopterus eudentatus Parenti & Maciolek 1993 -- (Buden et al. 2001:7 [ref. 25496], Larson & Murdy 2001:3602 [ref. 26293], Keith et al. 2015:90 [ref. 34328], Parenti 2021:417 [ref. 38603]). Current status: Valid as Sicyopterus eudentatus Parenti & Maciolek 1993. Oxudercidae: Sicydiinae. Distribution: Western Pacific: Pohnpei (Federated States of Micronesia) endemic. Habitat: freshwater, brackish, marine.