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Fig. 6 | Evolution: Education and Outreach

Fig. 6

From: Jurassic Pork: What Could a Jewish Time Traveler Eat?

Fig. 6

Simplified phylogeny of birds and their extinct relatives (extinct forms indicated with a dagger). Aves represents the group of extant birds, their most recent common ancestor, and all of that ancestor’s descendants: the crown group. All groups sharing a more recent common ancestor with Aves than with their closest living relatives (Crocodylia) are part of the stem. Some stem-members share most but not all of the traits of modern birds: Ichthyornis retains teeth, but otherwise has a relatively modern anatomy. But more distant groups have proportionately fewer traits of modern birds. Silhouettes from PhyloPic.org, from the contributors Andrew Farke, FunkMonk, Scot Hartman, Lukasiniho, Matt Martyniuk, Steve Traver, and Emily Willoughby. Silhouettes not to scale

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