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Coelurosauria

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Coelurosauria von Huene, 1914 sensu Gauthier 1986

The common ancestor of taxa closer to Neornithes than Allosaurus, and all forms derived from that ancestry.

Characters underwriting holophyly of Coelurosauria include:

a)Accessory fenestra between pterygoid and palatine

b)Deeply excavated ventral fossa of the ectopterygoid

c)Proximal cervicals broader than they are deep

d)Cervical ribs fused to centra in adults

e)Forelimbs elongate and at least half the length of the hindlimbs

f)Manus elongate and gracile, metacarpals II, III elongate

g)Lengths of phalanx I and II on digit III each less than that of the penultimate phalanx.

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