An illustrated catalogue of the scalpellid barnacles (Crustacea: Cirripedia: Scalpellidae) collected during the HMS “ Challenger ” expedition and deposited in the Natural History Museum, London Author Shalaeva, Kate kshalaeva@googlemail.com Author Boxshall, Geoff kshalaeva@googlemail.com text Zootaxa 2014 2014-05-29 3804 1 1 63 journal article 5379 10.11646/zootaxa.3804.1.1 6bf67a5d-ecd7-4f43-b3df-ebcad1333e71 1175-5326 4917932 C1A766F2-D26E-4567-A977-61EF72CBD83A Trianguloscalpellum gigas ( Hoek, 1883 ) Fig. 28 Scalpellum gigas Hoek, 1883: 102 , pl. IV, figs 1–2, pl. IX, fig. 11; 1884: 4; Weltner, 1897: 248 ; Gruvel, 1905: 75 , fig.84; Schmalz, 1906: 68 ; Nilsson-Cantell, 1931: 8 ; Zevina, 1969: 67 ; 1970: 253 ; Klepal, 1987: 304 ; 1990: 360 . Scalpellum gigas , section Holoscalpellum Pilsbry, 1907a: 25 . Scalpellum (Arcoscalpellum) gigas : Pilsbry, 1911: 62 . Arcoscalpellum gigas : Newman & Ross, 1971: 60 . Non Trianguloscalpellum gigas : Foster & Buckeridge, 1995b: 169 , fig. 2E (= T. ovale ( Hoek, 1883 )) . Trianguloscalpellum gigas : Zevina, 1981a: 317–318 , fig. 241; Young, 1998b: 33–34 , figs 21e–f, h; 22; 2007: 63–64, figs 79–80; Poltarukha, 2012: 37 , fig. 10. FIGURE 28. Trianguloscalpellum gigas ( Hoek, 1883 ) . “Challenger” Stn 246. A. Holotype, left lateral view. B. Paratype, left lateral view. Scale bar 10 mm. Material examined. Holotype NHM UK 2013.1122 and paratype NHM UK 2013.1123, Stn 246: Pacific , Northwest (Middle of); 3748 m . Supplementary descriptions. Young (1998b) and Poltarukha (2012) , including appendage descriptions. Distribution. Pacific, Northwest and Southwest; Indian Ocean. Known depth range 3310 to 4820 m . Remarks. The shell plate details of this large species show similarities to those of T. darwinii and T. ovale ( Hoek, 1883 ) , but some differences were described by Young (1998b) .