Dinosauria Owen, 1842

Saurischia Seeley, 1887

Theropoda Marsh, 1881

Tetanurae Gauthier, 1986

Megalosauroidea Fitzinger, 1843

Spinosauridae Stromer, 1915

Sigilmassasaurus Russell, 1996

“Spinosaurus B”—Stromer, 1934: 8–18, 20–23, pl. 1, Tafel I, Figs. 2A–2C; partim

Sigilmassasaurus brevicollis Russell, 1996

Spinosaurus maroccanus Russell, 1996–Russell, 1996: 355–360, Figs 4 and 9; partim

Sigilmassasaurus brevicollis Russell, 1996–Russell, 1996: 361–360, Figs. 10, 11A, 13A, 13D and 13I; partim

Sigilmassasaurus sp. – Russell, 1996: 369–371, Figs. 14C, 14F, 14G and 15

Sigilmassasaurus brevicollis Russell, 1996–McFeeters et al., 2013: Figs. 1–7

Spinosaurus aegyptiacus Stromer, 1915–Ibrahim et al., 2014a, partim

Holotype: CMN 41857, a first dorsal vertebra.

Referred material: BSPG 2006 I 53, 54, 55, 56; BSPG 2011 I 115, 116, 117, 118; BSPG 2013 I 95; MNN IGU11 (see McFeeters et al., 2013; NHMUK PV R 16427, 16434, 16435; CMN 41774, 41790, 41850, 41856, 41857, 41858; P.P.No 481 see McFeeters et al., 2013); CMN 50791 (holotype of Spinosaurus maroccanus, see Russell, 1996); SGM–DIN 3, 5 (see McFeeters et al., 2013).

Type locality and horizon: Kem Kem area, probably close to the town of Taouz (K Martyn, pers. comm. to OR, 2013), Ifezouane or Aoufous Formation, Cenomanian (Cavin et al., 2010).