Extended Data Figure 3: Phylogenetic relationships of Spinolestes and patterns of mammalian integumentary structure in early mammalian evolution.
From: A Cretaceous eutriconodont and integument evolution in early mammals

a, Position of Spinolestes within Eutriconodonta (Bremer index/bootstrap values on the key clades of this study). b, Evolution of mammalian integumentary structures (simplified tree). Data sets and full analyses are presented in Supplementary Information.