Catalogue of the Type and Figured Specimens of Fossil Vertebrates in the American Museum of Natural History PDF Download
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Author: Louis Hussakof
Publisher:
ISBN:
Category : Fishes, Fossil
Languages : en
Pages : 140
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Book Description
Author: Louis Hussakof
Publisher:
ISBN:
Category : Fishes, Fossil
Languages : en
Pages : 140
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Book Description
Author: American Museum of Natural History. Department of Vertebrate Paleontology
Publisher:
ISBN:
Category : Vertebrates, Fossil
Languages : en
Pages : 1326
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Book Description
Author: American Museum of Natural History. Dept. of Vertebrate Palaeontology
Publisher:
ISBN:
Category : Paleontology
Languages : en
Pages : 790
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Book Description
Author: American Museum of Natural History
Publisher:
ISBN:
Category : Electronic journals
Languages : en
Pages : 492
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Book Description
Comprises articles on geology, paleontology, mammalogy, ornithology, entomology, and anthropology.
Author: Paul C. Sereno
Publisher: PenSoft Publishers LTD
ISBN: 9546426520
Category : Science
Languages : en
Pages : 232
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Book Description
This major study on heterodontosaurid dinosaurs is the first to review the taxonomy, morphology, functional anatomy, and phylogeny of this important early radiation of small-bodied herbivores. Heterodontosaurids persisted for approximately 100 My, from Late Triassic to Early Cretaceous time, during which they evolved some of the most sophisticated dentitions for processing plant materials. Some species required reevaluation to establish unequivocally their status as heterodontosaurids, such as Echinodon from rocks in southern England, one of the first and smallest dinosaurs ever described. Tianyulong from northern China is described in more detail in the study and is shown to have unusual skeletal proportions, including a relatively large skull and very short forelimb. A new taxon, Pegomastax africanus gen. n. sp. n., is described from southern Africa with a short parrot-shaped bill. Tooth replacement and tooth-to-tooth wear is more common than previously thought among heterodontosaurids, which the author argues are herbivores despite their prominent caniniform teeth. Heterodontosaurds appear to have split early in their history into a northern group with primitive, subtriangular crowns and a southern group with deeper crown proportions.
Author: Thomas Lincoln Casey
Publisher:
ISBN:
Category : Science
Languages : en
Pages : 80
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Author:
Publisher:
ISBN:
Category : Science
Languages : en
Pages : 264
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Author: William King Gregory
Publisher:
ISBN:
Category :
Languages : en
Pages : 528
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Author: William King Gregory
Publisher:
ISBN:
Category : Anatomy, Comparative
Languages : en
Pages : 84
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Book Description
Author: Paul Upchurch
Publisher: CRC Press
ISBN: 1420045520
Category : Nature
Languages : en
Pages : 230
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Book Description
Biogeography represents one of the most complex and challenging aspects of macroevolutionary research, requiring input from both the earth and life sciences. Palaeogeographic reconstruction is frequently carried out by researchers with backgrounds in geology and palaeontology, who are less likely to be familiar with the latest biogeographic techniq
