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Coelophysids, also called coelophysid dinosaurs, are primitive carnivorous theropod dinosaurs in the family Coelophysidae. Most species were relatively small in size. The family flourished in the Triassic and Jurassic periods, and has been found on numerous continents. Many members of Coelophysidae are characterized by long, slender skulls and light skeletons built for speed. 1 member, Coelophysis, displays the earliest known furcula in a dinosaur.

Under cladistic analysis, Coelophysidae was 1st defined by Paul Sereno in 1998 as the most recent common ancestor of Coelophysis bauri and Procompsognathus triassicus, and all of that common ancestor's descendants. However, Tykoski (2005) has advocated for the definition to change to include the additional taxa of "Syntarsus" kayentakatae and Segisaurus halli. Coelophysidae is part of the superfamily Coelophysoidea, which in turn is a subset of the larger Neotheropoda clade. As part of Coelophysoidea, Coelophysidae is often placed as sister to the Dilophosauridae family, however, the monophyly of this clade has often been disputed. The older term "Podokesauridae", named 14 years prior to Coelophysidae (which would normally grant it priority), is now usually ignored, since its type specimen was lost in a fire and can no longer be compared to new finds.

This category includes all of the coelophysids that have appeared in the Jurassic park franchise so far.

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