Extended Data Fig. 6: Comparison of FSAC-KK 11888 caudal vertebrae to those destroyed in World War II.
From: Tail-propelled aquatic locomotion in a theropod dinosaur
Comparison between the caudal vertebrae of the neotype of S. aegyptiacus, with those of the two specimens (the holotype and a specimen known as ‘Spinosaurus B’, both of which are now lost) from the Bahariya Oasis (Egypt) described by E. Stromer12. a–d, Proximal caudal vertebra of the holotype (accession code BSP 1912 VIII 19) in distal (a) and right lateral (c) views; and of Ca4 of FSAC-KK 11888 in distal (b) and right lateral (d) views. e–j, Proximal caudal vertebra of Spinosaurus B in dorsal (e), right lateral (g) and proximal (i) views; Ca11 of FSAC-KK 11888 in dorsal (f), right lateral (h) and proximal (j) views. k–p, Middle caudal vertebra of Spinosaurus B in dorsal (k), left lateral (m) and distal (o) views; Ca21 of FSAC-KK 11888 in dorsal (l), left lateral (n) and distal (p) views. Scale bars = 10 cm.
