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The growth history of a brachiopod is entombed in its shell, but research on fossil and living brachiopods has generated unanswered questions about these marine invertebrates. Several contributors to Brachiopods Past and Present comment on their differing structures and morphological detail. They use these as examples of ontogenetic and evolutionar
"This volume summarizes new developments in understanding the longest-lived icehouse period in Phanerozoic Earth history, the late Paleozoic ice age. Resolving the Late Paleozoic Ice Age in Time and Space provides summaries of existing and new data from the various Gondwanan continental relics, and also reviews stratigraphic successions from the paleotropical and temperate regions of Laurussia that preserve an indirect record of glaciation. It addresses the extent to which records of glaciation indicate protracted, long-term climatic austerity, as opposed to fluctuating, more dynamic climate, and provides new constraints on the timing of glaciation. Additionally, it tackles questions of synchroneity of glaciation across the various Gondwanan continental relics, and timing relationships between near-field and far-field records at greater levels of resolution than has been possible previously. Results point toward a dynamic icehouse regime that is comparable to the Cenozoic icehouse, and away from traditional interpretations of the late Paleozoic ice age as a single, protracted event that involved stable, long-lived ice centers."--Publisher's website.
This multidisciplinary book focuses on the relationships and interactions between palaeobiogeography, biogeography, dispersal, vicariance, migrations and evolution of organisms in the SE Asia-Australasian region. The book investigates biogeographic links between SE Asia and Australasia which go back more than 500 million years. It also focuses on the links between geological evolution and biological migrations and evolution in the region. It was in the SE Asian region that Alfred Russell Wallace established his biogeographic line, now known as Wallace's Line, which was the beginning of biogeography. Wallace also independently developed his theory of evolution based on his work in this area.;The book brings together, for the first time, geologists, palaeontologists, zoologists, botanists, entomologists, evolutionary biologists and archaeologists, in the one volume, to relate the region's geological past to its present biological peculiarities. The book is organized into six sections. Section 1 Paleobiogeographic Background provides overviews of the geological and tectonic evolution of SE Asia-Australasia, and changing patterns of land and sea for the last 540 million years. Section 2 Palaeozoic and Mesozoic Geology and Biogeography discusses Palaeozoic and Mesozoic biogeography of conodonts, brachiopods, plants, dinosaurs and radiolarians and the recognition of ancient biogeographic boundaries or Wallace Lines in the region. Section 3 Wallace's Line focuses on the biogeographic boundary established by Wallace, including the history of its establishment, its significance to biogeography in general and its applicability in the context of modern biogeography.;Section 4 Plant biogeography and evolution includes discussion on primitive angiosperms, the diaspora of the southern rushes, and environmental, climatic and evolutionary implications of plants and palynomorphs in the region. The biogeography and migration of insects, butterflies, birds, rodents and other non-primate mammals is discussed in section 5, Non Primates. The final section 6 Primates focuses on the biogeographic radiation, migration and evolution of primates and includes papers on the occurrence and migration of early hominids and the requirements for human colonization of Australia.
Part of a broader project on the Mesozoic phytostratigraphy of eastern Australia supported by the Australian Research Council.