Austroraptor

Stratigraphy of the Upper Cretaceous Neuquén Group (after Garrido) indicating stratigraphic positions of definitive unenlagiine taxa (modified from Gianechini and Gianechini & Apesteguía). Skeletal reconstructions to approximate scale, redrawn and/or modified from works by Scott Hartman (Buitreraptor gonzalezorum, Austroraptor cabazai), Gabriel Lio (Unenlagia comahuensis, Neuquenraptor argentinus, Unenlagia paynemili), and Jaime Headden (Pamparaptor micros, Diuqin lechiguanae), used with permission

Skeletons of Bonatitan and Austroraptor at the Museo Argentino de Ciencias Naturales Bernardino Rivadavia

Selected unenlagiid traits: (A) maxilla and dentary of Austroraptor cabazai showing the rostral process of the maxilla, the anteroposteriorly elongated postantral wall, and the sub-parallel dorsal and ventral margins of the dentary. af, antorbital fenestra; mxf, maxillary fenestra; pan, postantral wall.