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 acanthobothrium Last, White & Kyne, 2016e Mumburarr whipray Urogymnus acanthobothrium Last, White & Kyne, 2016e : 163 , Figs 1 –7. Holotype : WAM P. 34488-001. Type locality: West Arm of Cambridge Gulf , Western Australia . Local synonymy: Urogymnus acanthobothrium— Last et al. , 2016e: 163, Figs 1 –7 ( Gulf of Papua); Last et al. , 2016a: 613 (southern PNG ) ; White et al. , 2018 : 264, figs (PNG). PNG voucher material: None. Remarks: First recorded from PNG by Last et al. (2016e) based on records from observers on prawn trawl vessels in the Gulf of Papua . Holotype and several other specimens were caught in rivers in Northern Australia , and it is thus likely to inhabit the riverine areas in the Gulf and Western Provinces of PNG .