Averostra

The face of Majungasaurus crenatissimus

Reconstruction of the theropod dinosaur Tachiraptor admirabilis. Artwork created with graphite and colored pencils. Author: Edwin Chávez "Disfrasaurio".

Ceratosaurus nasicornis reconstruction. Matches proportions shown in Gregory S. Paul (The Princeton Field Guide to Dinosaurs, 2010, p. 84)

Ceratosaurus skeleton mount, Wisconsin

Ceratosaurus skeleton mount, Wisconsin

Cast of Ceratosaurus from the Cleveland Lloyd Quarry, Utah, on display at the Natural History Museum of Utah, Salt Lake City.

Six ceratosaurians (top to bottom): Rugops, Elaphrosaurus, Majungasaurus, Carnotaurus, Ceratosaurus, Berthasaura

Six ceratosaurians (top to bottom): Rugops, Elaphrosaurus, Majungasaurus, Carnotaurus, Ceratosaurus, Berthasaura

Six ceratosaurians (top to bottom): Rugops, Elaphrosaurus, Majungasaurus, Carnotaurus, Ceratosaurus, Berthasaura

Six ceratosaurians (top to bottom): Rugops, Elaphrosaurus, Majungasaurus, Carnotaurus, Ceratosaurus, Berthasaura

Carnotaurus exhibit in Bonn

Carnotaurus exhibit in Bonn

Carnotaurus exhibit in Bonn

Carnotaurus exhibit in Bonn

Reconstruction of the Abelisaurus skull with original bones of the holotype. Museo Provincial Carlos Ameghino, Cipolletti, Argentina. Scale = 10 cm

Tachiraptor admirabilis gen et sp. nov. Holotype right tibia (IVIC-P-2867) in (a) lateral (proximal portion), (b) proximal, (c) lateral, (d) distal and (e) cranial (distal portion) views. Referred left ischium (IVIC-P-2868) in (f) lateral view. Abbreviations: ab, astragalar buttress; cc, cnemial crest; ai, cranial emargination; cn, caudal notch; fc, fibular condyle; fcr, fibular crest; ia, iliac articulation; in, intercondylar notch; it, incisura tibialis; keg, ‘knee extensor groove’; lg, longitudinal groove; lk, lateral kink; mc, medial condyle; om, outer malleolus; op, obturator plate; pp, pubic peduncle; pvr, ‘postero-ventral ridge’; rd, ridge; tn, tibial notch; vr, ventral ridge.