Extended Data Figure 8: Keratinous dermal scutes (SC) of S. xenarthrosus.
From: A Cretaceous eutriconodont and integument evolution in early mammals
a, Oval dermal scutes dorsally of dorsal vertebra 20. b, Oval dermal scute dorsally of left ischium (ISC-L). c, Oval dermal scute from dorsal region with tubules (T) merging to homogeneous keratinous matrix.
