Abelisauridae

Abelisaurid theropod Kryptops palaios gen. et sp. nov. MNN GAD1−1 from the Lower Cretaceous Elrhaz Formation of Niger. Left maxilla in lateral view; stereopair (A) and line drawing (B). Cross−hatching indicates broken bone; dashed lines indicate estimated edges.

Fig. 2. Right tibia of Quilmesaurus curriei compared to other tibiae of Abelisauridae. A-B: Quilmesaurus curriei in lateral and anterior view; C: Aucasaurus garridoi, D: Genusaurus sisterornis, E and H: Ekrixinatosaurus novasi, F: Indosuchus raptorius (Courtesy of Dr. F. E. Novas), G: Rajasaurus narmadensis; I: Pycnonemosaurus nevesi Abbreviations: faap: facet for the ascending process of the astragalus; cc: cnemial crest; lm: lateral malleolus; lma: lateral margin of the malleolus; lpcc: lateral process of the cnemial crest; mm: medial malleolus; mma: medial margin of the malleolus; vmcc: ventral margin of the cnemial crest; vpcc: ventral process of the cnemial crest.

Hypothetical reconstruction of the Late Cretaceous abelisaurid Elemgasem nubilus.

Representative taxa from the Santonian Iharkút fauna from the Csehbánya Formation, Bakony Mountains, western Hungary. A Pannoniasaurus inexpectatus (Squamata, Mosasauroidea), dorsal vertebra (MTM uncatalogued) in dorsal view (photo by Réka Kalmár) B Foxemys trabanti (Pleurodira, Bothremydidae), skull (MTM V 2010.215.1.) in dorsal view (photo by Márton Rabi). C Bicuspidon aff. hatzegiensis (Squamata, Borioteiioidea), left dentary (MTM 2006.112.1.) in medial view (photo by László Makádi) D Basal tetanuran (Theropoda, Tetanurae), tooth (MTM V.01.54) in ?lingual view E Indeterminate abelisaurid (Theropoda, Abelisauridae), pedal ungual phalanx (MTM V 2008.43.1.) in lateral view F Pneumatoraptor fodori (Theropoda, Paraves), left scapulocoracoid (holotype, MTM V 2008.38.1.) in lateral view G Mochlodon vorosi (Ornithopoda, Rhabdodontidae), left dentary (holotype, MTM V 2010.105.1) in lateral view H Bakonydraco galaczi (Pterosauria, Azhdarchidae), mandible (holotype, MTM 2007.110.1) in dorsal view I Iharkutosuchus makadii (Eusuchia, Hylaeochampsidae), skull (holotype, MTM 2006.52.1) in dorsal view J Hungarosaurus tormai (Ankylosauria, Nodosauridae), right dentary (MTM 2007.25.2) in lateral view K Bauxitornis mindszentyae (Aves, Enantiornithes), left tarsometatarsus (holotype, MTM V 2009.38.1) in anterior view L Ajkaceratops kozmai (Ceratopsia), fused rostral and premaxillae (holotype, MTM V 2009.192.1) in lateral view. Scale bars: 2 cm in A, V, G, H, I, J; 1 cm in D, E, F, K, L; 1 mm in C.

Arcovenator escotae (Theropoda, Abelisauridae), braincase (MHNAix-PV 2011-12) in dorsal view (Lower Argiles Rutilantes Formation, Jas Neuf Sud, Var)

Mounted skeleton (cast) of Majungasaurus crenatissimus, Stony Brook University.