Studies in Comparative Myology and Osteology. No. 4, A Review of the Evolution of the Lacrymal Bone of Vertebrates with Special Reference to that of Mammals. Bulletin of the AMNH ; V. 42, Article 2 PDF Download
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Languages : en
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Languages : en
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Author: William King Gregory
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ISBN:
Category : Lacrimal bone
Languages : en
Pages : 169
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Author: William King Gregory
Publisher:
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Category : Anatomy, Comparative
Languages : en
Pages : 169
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Author: Norberto P. Giannini
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Category :
Languages : en
Pages : 0
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Author: Roy Chapman Andrews
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ISBN:
Category :
Languages : en
Pages : 414
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Author: Ernest Edward Williams
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Category : Evolution
Languages : en
Pages : 756
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Publisher: Academic Press
ISBN: 012815506X
Category : Nature
Languages : en
Pages : 658
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Pangolins: Science, Society and Conservation brings together experts from around the world to document the most up-to-date scientific knowledge on pangolins and their conservation. It chronicles threats facing the species, explores the current initiatives required to protect them, and looks ahead at the future of pangolin science and conservation efforts. Led by a team of editors with more than 20 years collective experience in pangolin conservation, this book includes accounts of the species’ evolution, morphology, and systematics. It discusses the role of pangolins in historically symbolic, mythological, and ritualistic practices across Africa, Asia, and Europe, as well as contemporary practices including international trafficking. Chapters in the latter portion of this book focus on conservation solutions, including law enforcement and international policy, behavior change, local community engagement, ex situ conservation, tourism, and other interventions needed to secure the future of the species. Pangolins: Science, Society and Conservation is the latest volume in Elsevier’s species-specific series, Biodiversity of the World: Conservation from Genes to Landscapes. This book is a valuable resource for researchers and students in species conservation science, planning, and policymaking. Provides detailed accounts of the natural history and conservation status of each pangolin species Explores the cultural significance of pangolins, historic and contemporary use, and international trade and trafficking Discusses conservation solutions ranging from law enforcement and local community engagement to ex situ conservation, innovative finance, and tourism
Author: James H. Brown
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ISBN: 9780935868661
Category : Heteromyidae
Languages : en
Pages : 719
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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: C. S. Churcher
Publisher:
ISBN: 9780802007285
Category : Science
Languages : en
Pages : 675
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This unique volume of thirty essays, by fifty-three internationally known scholars, honours C.S. (Rufus) Churcher, the distinguished Canadian palaeontologist. The papers focus on late Cenozoic mammals in North America and Africa and provide both site-specific descriptions of faunas and their associated geological contexts, and more general syntheses of regional palaeoenvironments and biogeography. The volume provides a much-needed overview of current research. The stature of the researchers who have contributed to the volume, and the breadth of the material presented, is a reflection of Churcher s diverse research interests. The first section contains eleven papers on the palaeoenvironment and palaeoecology of Quaternary mammals in North America; the second section has 9 contributions describing faunas and morphological analyses of North American Quaternary mammals; and the final section contains nine papers on the palaeoecology and palaeoenvironments of late Cenozoic mammals of Africa. In this final section, Alan Gentry pays tribute to Churcher by naming a species after him: Budorcas churcheri. The volume contains individual discussions of North American fossil prairie dogs, mastodons, zebras, short-faced bears, sabre cats, lions, giant armadillos, elk-moose, caribou and muskrats, as well as African hyaenas, zebras, hipparion horses, antelopes, rodents, and giraffes. "
