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Velociraptor Osborn, 1924
DINOSAURIA > THEROPODA > DROMAEOSAURIDAE
Velociraptor osmolskae Godefroit, Currie, Hong, Yong, &
Dong, 2008
Etymology—Named in honor of Halszka Osmólska, for her contributions toward understanding of Asian theropods.
Holotype—IMM 99NM–BYM–3/3 (A–C), paired maxillae and left lacrimal.
Locality and Horizon—15 km north of Bayan Mandahu Village, quarry SBDE 99BM–III (N 41° 47 17.3, E 106° 43 26.1), Urad Houqi, Bayan Nor League, Inner Mongolia Province, P. R. China (Fig. 1). Bayan Mandahu Formation, correlated with the Djadokhta Formation in Mongolia, Campanian, Late Cretaceous.
Diagnosis—Long rostral plate of maxilla, with elongation index (L/H ratio)1.38. Promaxillary fenestra subequal in size to the maxillary fenestra and teardrop-shaped; long axis of the promaxillary fenestra perpendicular to the dorsal border of the maxilla; long axis of maxillary fenestra parallel to this border. Ten maxillary teeth with short unserrated carina on the apical end of the mesial edge and with incipient serrations on the distal carina.
 Velociraptor osmolskae, from the Bayan Mandahu Formation (Campanian; Inner Mongolia, P. R. China). A–D, left maxilla (IMM 99NM–BYM–3/3A) in lateral (A–B) and medial (C–D) views; E, right maxilla in lateral view.
 Left lateral views of dromaosaurid maxillae. A, Velociraptor osmolskae; B, Bambiraptor feinbergi; C, Atrociraptor marchalli; D, Velociraptor mongoliensis; E, Saurornitholestes langstoni; F, Deinonychus antirrhopus; G, Achillobator giganticus; H, Dromaeosaurus albertensis; I, Tsaagan mangas; J, Sinornithosaurus millenii. Scale bars equal 1 cm.
References
Godefroit, Currie, Hong, Yong, &
Dong, 2008. A new species of Velociraptor (Dinosauria: Dromaeosauridae) from the Upper
Cretaceous of northern China, Journal of Vertebrate Paleontology 28(2):432–438
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