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Patterns in Palaeontology: Environments of the Cambrian explosion

by Thomas W. Hearing*1 Introduction: Shimmering curtains of sunlight stream down through the waters of a shallow sea that has been advancing landwards for several million years. This transgression has formed wide areas of shallow continental shelf seas. The sea bed teems with life — some of it familiar, some much less so. The oddities […]

Fossil Focus: Hallucigenia and the evolution of animal body plans

by Martin Smith*1 Introduction: Five hundred and fifty million years ago, few (if any) organisms on Earth were much more complex than seaweed. But this would not be the case for long: during a profound evolutionary event dubbed the Cambrian Explosion, natural selection generated the raw material of all the body plans we see in […]

Perspectives: Fossils and the Law — A Summary

by Jack J. Matthews1 Introduction: Geoconservation, also known as Earth Heritage Conservation, is how we protect important examples of Earth’s physical resources. Geological features can be protected for all sorts of reasons, including being important to cultural heritage, geological education and understanding, or the overall aesthetics of an area. A great many designations, management frameworks […]

Fossil Focus: The Ediacaran Biota

by Frances S. Dunn*1 and Alex G. Liu2 Introduction: The Ediacaran period, from 635 million to 541 million years ago, was a time of immense geological and evolutionary change. It witnessed the transition out of an ice-house climate, the break–up of one supercontinent (Rodinia) and the assembly of another (Gondwana), a major meteorite impact (the Acraman […]