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Dromaeosauridae (/ ˌ d r ɒ m i. ə ˈ s ɔːr ɪ d iː /) is a family of feathered coelurosaurian theropod dinosaurs. They were generally small to medium-sized feathered carnivores that flourished in the Cretaceous Period .
Dromaeosaurus is the type genus of both Dromaeosauridae and Dromaeosaurinae, which include many genera with similar characteristics to Dromaeosaurus such as possibly its closest relative Dakotaraptor. Dromaeosaurus was heavily built, more so than other dromaeosaurs that are similar in size, like Velociraptor.
It is known from two teeth, the first of which was found in 2000 and the second in 2008. Based on the first tooth (the holotype), the genus and species Dromaeosauroides bornholmensis was named in 2003. The genus name means "Dromaeosaurus-like", due to
The genus contains a single species, Utahraptor ostrommaysi. It is the largest-known member of the family Dromaeosauridae, measuring about 6–7 metres (20–23 ft) long and typically weighing up to 500 kilograms (1,100 lb).
Deinonychus (/ d aɪ ˈ n ɒ n ɪ k ə s / [1] dy-NON-ih-kəs; from Ancient Greek δεινός (deinós) 'terrible' and ὄνυξ (ónux), genitive ὄνυχος (ónukhos) 'claw') is a genus of dromaeosaurid theropod dinosaur with one described species, Deinonychus antirrhopus.
Unenlagia (meaning "half-bird" in Latinized Mapudungun) is a genus of dromaeosaurid theropod dinosaur that lived in South America during the Late Cretaceous period. [1] The genus Unenlagia has been assigned two species: U. comahuensis, the type species described by Novas and Puerta in 1997, [1] and U. paynemili, described by Calvo et al. in 2004.
This is an accepted version of this page This is the latest accepted revision, reviewed on 20 February 2025. Extinct clade of dinosaurs Eudromaeosaurs Temporal range: Early Cretaceous – Late Cretaceous, 143–66 Ma PreꞒ Ꞓ O S D C P T J K Pg N Possible Kimmeridgian record Eudromaeosauria diversity, featuring from top left to lower right: Utahraptor, Deinonychus, Velociraptor and ...
Deinonychosaurian theropods, especially members of the family Dromaeosauridae, are known for their recurved, sickle-shaped claw on the second toe being held off the ground, and thus not preserved in the trackway. This causes their footprints to preserve only two of their toes, making the deinonychosaurian tracks functionally didactyl (two-toed).