genus of reptiles (fossil)

Latenivenatrix (meaning "hiding hunter") is a genus of troodontid. It was previously identified as Troodon.

Temporal range: Campanian, 75.5 Ma
Latenivenatrix skull.jpg
Hind part of assigned skull TMP 1982.019.0023, Royal Tyrrell Museum
Scientific classification e
Kingdom: Animalia
Phylum: Chordata
Clade: Dinosauria
Clade: Saurischia
Clade: Theropoda
Family: Troodontidae
Subfamily: Troodontinae
Genus: Latenivenatrix
Type species
Latenivenatrix mcmasterae
van der Reest and Currie, 2017
Life restoration with human to scale

Latenivenatrix has an estimated skull length of 18 centimetres (7.1 in) and a size 3–3.5 metres (9.8–11.5 ft). This makes it the largest troodontid known.[1]


  1. van der Reest, A. J.; Currie, P. J. (2017). "Troodontids (Theropoda) from the Dinosaur Park Formation, Alberta, with a description of a unique new taxon: implications for deinonychosaur diversity in North America". Canadian Journal of Earth Sciences: 919–935. doi:10.1139/cjes-2017-0031.