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 Glaucostegus typus (Anonymous [Bennett], 1830) Giant Guitarfish Rhinobatus typus Anonymous [Bennett], 1830: 694. Syntypes : BMNH 1852.8 .30.17 (dry). Type locality: Sumatra , Indonesia ( syntype ); India . Local synonymy: Rhinobatus armatus— Peters, 1877: 853 (Bougainville). Rhinobatus granulatus— Macleay, 1883a: 598 (New Guinea); Ogilby, 1888: 15 (southeastern New Guinea); Fowler, 1941 : 315 (Port Moresby). Rhinobatus thouini— Macleay, 1883b: 280 (Hood Bay). Rhinobatos granulatus— Fowler, 1928 : 24 (Port Moresby); Kailola, 1987 : 27 (Yule Island). Rhinobatos thouiniana— Fowler, 1934 : 386 (Fife Bay and Hood Bay). Rhinobatos batillum— Whitley, 1940: 168 (Fife Bay and Port Moresby); Munro, 1958: 113 (Kapa Kapa); Munro, 1967: 19, pl. 2, fig. 24 (New Guinea); Haines, 1979a : 6 (Purari Delta). Rhinobatos armatus— Filewood, 1973 : 10 (PNG); Kailola, 1987 : 27 (Port Romilly). Glaucosteus typus— White et al. , 2018 : 210, figs (PNG). PNG voucher material: (16 spec.) KFRS E.066, female 337 mm TL, Kairuku , Yule Island , Central Province , Jun. 1965 ; KFRS E.500, juvenile male 397 mm TL, Arehara , Punari River , 20 Apr. 1975 ; KFRS E.501, juvenile male 407 mm TL, no collection data [possibly = KFRS E.417, one of two males from Western Province ] ; KFRS E.612, female 410 mm TL, KFRS E.613, juvenile male 410 mm TL, KFRS E.614, juvenile male 380 mm TL, Mullins Harbour , Milne Bay Province , 10°29’2” S , 149°55’40.5” E , < 0.2 m depth, 11 Mar. 2016 ; KFRS E.725, juvenile male 410 mm TL, Freshwater Bay , Gulf of Papua, 8°6’57.6” S , 145°52’1.2” E , 14–17 m depth, 8 Jun. 2014 ; NMV A 18753 (3 spec.), females 361–375 mm TL, between Port Moresby and KapaKapa , Central Province , May 1881 ; USNM 40022 (3 spec.), females 280–365 mm TL, Port Moresby ; USNM 218541, female 520 mm TL, USNM 218601 , juvenile male 340 mm TL, west end of Parama Island , Western Province , 9°1’11” S , 143°21’36” E , 15 Dec. 1975 ; ZMB 9737 , juvenile female 437 mm TL, Bougainville , [probably mid-1875, SMS Gazelle survey]. Remarks: First recorded by Peters (1877) as Rhinobatus armatus from Bougainville , presumably based on ZMB 9737, collected during an expedition on the SMS Gazelle . Commonly caught by coastal fishers in the Western and Milne Bay Provinces, and probably elsewhere. Dried fins and whole specimens observed during recent surveys.