Figure 4 (IMAGE)

Harvard University, Department of Organismic and Evolutionary Biology

Figure 4

Caption

Evolutionary interrelationships of the modern (black silhouettes) and extinct (gray silhouettes) species investigated. The study revealed a complex history of posture evolution in synapsids, and that a fully ‘upright’ posture typical of modern placentals and marsupials was late to evolve.

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Peter Bishop

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