Extended Data Fig. 2: Sections through the brain of Coccocephalus wildi.
From: Exceptional fossil preservation and evolution of the ray-finned fish brain
a, transverse section through the anterior portion of the telencephalon. b, horizontal section through the ventral portion of the telencephalon. c, transverse section through the posterior portion of the telencephalon. d, horizontal section through the dorsal portion of the telencephalon. e, transverse section through the anterior portion of the hypothalamus inferior lobes. f, transverse section through the posterior portion of the hypothalamus inferior lobes. Inset shows where each of sections (a)-(e) intersect the brain. h.inf, inferior lobe of the hypothalamus; l.hyp.re, lateral hypothalamic recess; tel, telencephalon; tel.sept, telencephalic septum. Scale bar = 2 mm.
