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Dinosaur Park Formation, including two complete skulls of Gorgosaurus and an isolated postorbital of Daspletosaurus , reveals new information on the anatomy and ontogeny of tyrannosaurids.
1 cze 2003 · Here, we describe two small, articulated Gorgosaurus specimens (skull lengths of ca. 500 mm) that help advance our knowledge of the anatomy and ontogeny of this taxon and of tyrannosaurids in...
This paper is based mostly on recent studies of the skull anatomy of North American tyrannosaurids (Currie 2003), and ofAsian tyrannosaurids (Hurum and Sabath 2003); more detailed anatomical data are given in these two papers.
Here, we describe two small, articulated Gorgosaurus specimens (skull lengths of ca. 500 mm) that help advance our knowledge of the anatomy and ontogeny of this taxon and of tyrannosaurids in...
saur skulls where both skull and jaw lengths are known). ThesmallskullofDaspletosaurus sp.(TMP94.143.1)is about 620mmlong between thepremaxilla and quadrate. Small, juvenile skulls are known for two other tyranno− saurids—that of Nanotyrannus lancensis (CM 7541) is 575mmlong(premaxillatooccipitalcondyle)andthatof
11 lut 2022 · These include: a longirostrine skull morphology in which the snout occupies 2/3 of the total skull length; an anteroposteriorly elongate maxillary fenestra (ratio of maximum anteroposterior length to maximum dorsoventral depth greater than 1.9); a series of discrete, pronounced rugosities on the dorsal surface of the nasals; and 18 or more ...
This paper is based mostly on recent studies of the skull anatomy of North American tyrannosaurids (Currie 2003), and of Asian tyrannosaurids (Hurum and Sabath 2003); more detailed anatomical data are given in these two papers.
