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The most severe mass extinction of the phanerozoic occurred by stages in the Permian and spanned several millions of years. The marine environments suffered the most since their ecosystems greatly collapsed under the joint effects of a great drop in sea level and general anoxic conditions in the ocean. On the land, arid conditions and several brief episodes of climatic cooling led to a great loss...
Triopsids, Conchostracans, Insects, non-marine Bivalve shells, Arthropod tracks and burrows are reported for the first time in the Saxonian Group which was long thought to be unfossiliferous. Virtually none of these fossils have been described at the species, family or even order rank. Some new insect taxa fill time gaps between the Permian and the Jurassic. Future information about Insects promises...
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