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Anchor text: Punctuated Equilibrium at Twenty

Wikipedia: Punctuated equilibrium

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Wikipedia: Gymnogyps

Wikipedia: Jim Berkland

Anchor text: The phylogeny of the ungulates - Prothero

Wikipedia: List of examples of convergent evolution

Wikipedia: Cozy Dell Shale

Wikipedia: Donald Prothero

Anchor text: Garbage in, garbage out: The effect of immature taxonomy on database compilations of North American fossil mammals.

Wikipedia: Paleobiology Database

Wikipedia: Paleobiota of the La Brea Tar Pits