Fig. 36 in A Review Of Dromaeosaurid Systematics And Paravian Phylogeny

Fig. 36. Select skull remains of Deinonychus antirrhopus. A, right maxilla (YPM 5232) in lateral view; B, left jugal (YPM 5210) in medial view; C, right lacrimal in lateral view; D, left astragalocalcaneum (YPM 5226) in anterior view. Important features of Deinonychus antirrhopus include: 1, a maxillary fenestra located dorsal to the level of the promaxillary fenestra; 2, lobate anteriormost process of jugal beneath antorbital fenestra; 3, a very prominent lacrimal boss; 4, a large and wide calcaneum.Published as part of Turner, Alan H., Makovicky, Peter J. & Norell, Mark A., 2012, A Review Of Dromaeosaurid Systematics And Paravian Phylogeny, pp. 1-206 in Bulletin of the American Museum of Natural History 2012 (371) on page 58, DOI: 10.1206/748.1, http://zenodo.org/record/539958