An annotated checklist of the chondrichthyans of Papua New Guinea Author White, William T. Author Ko’Ou, Alfred text Zootaxa 2018 2018-04-19 4411 1 1 82 journal article 30231 10.11646/zootaxa.4411.1 abf8082d-c179-4cb2-acc4-3cdef16c4341 1175-5326 1221878 255EE06E-3171-41F3-BB3D-E7D29537A292 Urogymnus dalyensis (Last & Manjaji-Matsumoto, 2008) Freshwater Whipray Himantura dalyensis Last & Manjaji-Matsumoto 2008: 284 , Figs 1 , 2a , 3–4. Holotype: CSIRO H 2503-01. Type locality: Pentecost River (Bindola Creek junction), Western Australia. Local synonymy: Himantura sp.— Compagno & Roberts, 1982 : 337, fig. 12 (Lake Murray). Himantura sp. undet.— Kailola, 1987 : 29 (Fly River). Himantura chaophraya— Monkolprasit & Roberts, 1990: 207 (Fly River basin; in this species group); Last & Stevens, 1994: 399 (Fly River Basin). Himantura dalyensis— Last & Manjaji- Matsumoto, 2008: 289 (possibly Fly River Basin); Last & Stevens, 2009: 442 (possibly Fly River Basin). Urogymnus dalyensis —Last et al. , 2016a: 615 (Fly River Basin); White et al. , 2018 : 268, figs ( PNG ). PNG voucher material: None. Remarks: First recorded from PNG by Compagno & Roberts (1982) , as Himantura sp., from the Fly River basin. Fly River record (photograph only) was considered as belonging to the Himantura chaophraya (= Urogymnus polylepis (Bleeker, 1852)) species group. Specimens needed to confirm it is conspecific with this species. Possibly widespread in the extensive river systems of PNG . Previously placed in the genus Himantura .