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Deinonychosauria skull comparison

Several deinonychosaurids skulls compared

Deinonychosauria is a theropod clade that includes both Dromaeosauridae and Troodontidae . This clade is based primarily on the presence of a retractable second toe with sickle-claw. This name was given by Ned Colbert and Dale Russel in 1969, and defined as a clade by Jaques Gauthier in 1986.


See alsoEdit

Dromaeosauridae

Troodontidae

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