Unenlagiinae

Common card · No. 413132

Unenlagiinae is a subfamily of long-snouted paravian theropods. They are traditionally considered to be members of Dromaeosauridae, though some authors place them into their own family, Unenlagiidae, sometimes alongside the subfamily Halszkaraptorinae. Definitive members are known from the Cretaceous period of South America, with the earliest known genus Buitreraptor from the Candeleros Formation, dated to the early Albian stage of the Early Cretaceous by Maniel et al. (2026). Some researchers include taxa from other continents within this subfamily based on phylogenetic analyses. Two probable unenlagiine specimens (NMV P257601, NMV P180889) from the upper Strzelecki Group (Aptian) and Eumeralla Formation (lower Albian) of Australia might potentially extend their known fossil range to the Early Cretaceous, and Kakuru, which is considered a maniraptoran, might be an unenlagiine as well. Imperobator from the Late Cretaceous of Antarctica, previously considered enigmatic, has also been recently...

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