Extended Data Figure 2: The juvenile skull of Eunotosaurus africanus (SAM-PK-K7909) showing clear expression of both LTF and UTF. | Nature

Extended Data Figure 2: The juvenile skull of Eunotosaurus africanus (SAM-PK-K7909) showing clear expression of both LTF and UTF.

From: Evolutionary origin of the turtle skull

Extended Data Figure 2

a, b, Left lateral view with the rostrum held horizontally (a) and slightly downturned (b). c, Close-up view of fenestrated cheek in right lateral view. The size of the fenestrae decreases in the late stages of postnatal ontogeny through expansion of the surrounding dermal bones. The upper temporal fenestra is eventually obscured by the late-stage ontogenetic development of an elongate supratemporal.

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