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 Sphyrna zygaena (Linnaeus, 1758) Smooth Hammerhead Squalus zygaena Linnaeus, 1758: 234 . Syntype : NRM LP 88 (see Fernholm & Wheeler, 1983 ). Type locality: Mediterranean Sea and Atlantic (incl. Spain , France , Italy , Greece , Syria ). Local synonymy: Sphyrna zygaena — Filewood, 1973 : 2 (may occur in PNG); White et al. , 2018 : 190, figs (PNG). PNG voucher material: None. Remarks: Mainly recorded from temperate regions but also found in some tropical regions. Confirmed from coastal fisheries catches in Milne Bay Province ; molecular data supports the identification (S. Appleyard, unpubl. data).