Extended Data Fig. 1: Excavation of the FSAC-KK 11888 site.
From: Tail-propelled aquatic locomotion in a theropod dinosaur
a–f, Different stages of the excavation, which resulted in the removal of over 15 tons of rock using a range of tools, including picks, brushes, hammers and a jackhammer. a, 17 November 2013. b, 29 March 2015. c, 17 September 2018. d, 19 September 2018. e, 5 December 2018. f, 21 July 2019. g, h, Selected bones in situ. g, Largely complete proximal caudal vertebra (Ca4). h, Neural spine of a mid-distal caudal vertebra, fragmented by syndiagenetic cracks. Scale bars, 10 cm.
