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The fossil record and the early evolution of the Metazoa
The appearance of the multicellular animals, or Metazoa, in the fossil record about 600 million years ago marks a revolution in the history of life. Molecular biology is continuing to increase ourExpand
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Wonderful Crucible@@@The Crucible of Creation: The Burgess Shale and the Rise of Animals.
INTRODUCTION 1. SETTING THE SCENE 2. THE DISCOVERY OF THE BURGESS SHALE 3. JOURNEY TO THE BURGESS SHALE 4. THE SEARCH FOR NEW BURGESS SHALES 5. THE SIGNIFICANCE OF THE BURGESS SHALE 6. THE ORIGIN OFExpand
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Middle Cambrian priapulids and other soft-bodied fossils from Utah and Spain
The fossil priapulid worms Ottoia prolifica, Selkirkia willoughbyi n. sp., Selkirkia spencei, and Selkirkia sp. are illustrated from the Middle Cambrian of Utah. New records of O. pro ca from theExpand
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The Middle Cambrian metazoan Wiwaxia corrugata (Matthew) from the Burgess Shale and Ogygopsis Shale, British Columbia, Canada
A detailed redescription of the Middle Cambrian metazoan Wiwaxia corrugata (Matthew) is given with the aid of photographs, mostly taken under ultraviolet radiation, and explanatory camera lucidaExpand
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More soft-bodied animals and algae from the Middle Cambrian of Utah and British Columbia
Remains of noncalcareous algae and soft-bodied metazoans from Middle Cambrian strata of Utah (Spence, Wheeler, and Marjum formations) and British Columbia (Stephen Formation) provide further evidenceExpand
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The origins and relationships of lower invertebrates
The lower invertebrates - from sponges to annelids - have been investigated for over a century, but there are fundamental problems that are only now coming under scrutiny. This book gives freshExpand
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Solnhofen : a study in Mesozoic palaeontology
The celebrated Solnhofen limestone is among the most important fossil deposits because of its astonishing diversity of organisms, many exquisitely preserved. This book illustrates many of the marineExpand
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Lower Cambrian vertebrates from south China
The first fossil chordates are found in deposits from the Cambrian period (545–490 million years ago), but their earliest record is exceptionally sporadic and is often controversial. Accordingly, itExpand
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