Fig. 2: Time-scaled phylogeny summarizing evidence for physiological evolution along the synapsid lineage towards mammals. | Nature Communications

Fig. 2: Time-scaled phylogeny summarizing evidence for physiological evolution along the synapsid lineage towards mammals.

From: Reptile-like physiology in Early Jurassic stem-mammals

Fig. 2

Red nodes highlight the divergence of major lineages; Node 1 = divergence of the Pelycosaur lineage; Node 2 = the Therapsida clade; Node 3 = the Cynodontia clade; Node 4 = the Mammaliaformes clade; Node 5 = the Mammalia clade; Node 6 = the Theria clade. Superscript numbers denote references in the main text. Single asterisk (*) denotes the uncertain phylogenetic affinities of Kuehneotherium within the Mammaliaformes clade31. Double asterisks (**) denote the uncertain phylogenetic affinities of Arboroharamiya3.

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