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The question of whether a hagfish is a true vertebrate or not has profound implications about the ancestry of the clade. New anatomical evidence allows a test of their systematic position. With dissections and serial sections of original specimens, and with a literature review, a comparative...
Early Jurassic Sinosaurus triassicus (=“Dilophosaurus sinensis”) is the earliest large dinosaur predator from China; however, all the specimens of this species have remained poorly know. The Hewanzi specimen described in this thesis is the only well prepared one. Morphology of the crest and...
The development and biomechanics of theropod teeth and comparisons with other reptiles: a functional analysisDownload
Teeth are important for taxonomic studies. They are often the only remains found of certain vertebrates in the fossil record. This is because they are more resistant to weathering than most bones, they are small, and they are generally abundant. Most reptiles have homodont dentition, and the...
The occurrences of vertebrate fossils in the Deadhorse Coulee Member of the Milk River Formation and their implications for provincialism and evolution in the Santonian (Late Cretaceous) of North AmericaDownload
The Deadhorse Coulee Member of the Milk River Formation of southern Alberta preserves one of the oldest well-documented non-marine vertebrate assemblages in Canada. In this study, the taxonomic diversity of this member is updated, and vertebrate localities are placed in geographic and...