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The Permian - http://www.ucmp.berkeley.edu/permian/permian.html
An overview of the period from the UC Berkeley Museum of Paleontology. |
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Systematics of the Synapsida - http://www.ucmp.berkeley.edu/synapsids/synapsidasy.html
Cladogram with links to pages on the Dinocephalids, Pelycosaurs, Dicynodonts, Cynodonts, Mammals and Gorgonopsids. |
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First Complete Gorgonopsid Skeleton Found - http://www.washington.edu/newsroom/news/1998archive/12-98archive/k120898.html
An article describing the discovery of this late Permian predator. |
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Synapsid Classification and Autapomorphies - http://tolweb.org/tree/eukaryotes/animals/chordata/synapsid_lichen/synapsida_synapomorphies.html
A cladistic description with annotated diagrams. |
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Permian Geography - http://vishnu.glg.nau.edu/rcb/Permian.html
Description and maps of the continents as they existed at the time. |