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Science, Earth Sciences, Paleontology, Vertebrates, Synapsids

http://www.askabiologist.org.uk/punbb/viewtopic.php?id=1286

» Ask a Biologist Q&A: Synapsid Skin - Forum thread discussing where the non-mammalian synapsids stand in the transition from reptilian scales to mammalian hair.

http://palaeo.gly.bris.ac.uk/Palaeofiles/Fossilgroups/dicynodontia/title%20page.html

» Dicynodontia - Illustration and information on the characters and anatomy, major subgroups, fossil record and evolution of these herbivores.

http://palaeo.gly.bris.ac.uk/Palaeofiles/Fossilgroups/dinocephalia/

» Dinocephalia - Illustration and information on the characters and anatomy, major subgroups, fossil record and evolution of these carnivorous therapsids.

http://www.dkimages.com/discover/Home/Science/Earth-Sciences/Palaeontology/Fossils/Vertebrates/Reptiles/Synapsids/index.html

» Dkimages: Synapsids - Photographs of several cynodont and therapsid fossils including a reconstructed skeleton of Sinokannemeyeria yinchiaaoensis.

http://palaeo.gly.bris.ac.uk/Palaeofiles/Fossilgroups/Diapsida/

» Fossil Groups: Diapsids - Provides information on this group of amniotes, their characters and anatomy, major subgroups, fossil record, modern forms, literature and weblinks.

http://palaeo.gly.bris.ac.uk/Palaeofiles/Fossilgroups/Synapsida/characters.html

» Fossil Groups: Synapsida - Provides information on the characteristics and anatomy of synapsids with a diagram of a typical early period skull showing the synapsid arch and undifferentiated teeth.

http://www.ucmp.berkeley.edu/synapsids/synapsida.html

» Introduction to the Synapsida - Information on this great vertebrate group with a 300 million year history, their fossil record, life history, ecology, systematics and morphology.

http://www.nhm.ac.uk/nature-online/life/dinosaurs-other-extinct-creatures/non-dino-reptiles/mammal-like/mammallike-reptiles.html

» Mammal-like Reptiles - The Natural History Museum supplies illustrations of Anteosaurus, Cynognathus, Dicynodon, Dimetrodon, Lystrosaurus, Moschops, Oligokyphus and Thrinaxodon, with brief facts about each.

» Synapsid - Information from Wikipedia on this group of reptiles, their changing classification, characteristics and evolutionary history.

http://www.palaeos.com/Vertebrates/Units/400Therapsida/400.725.html

» Synapsid Cladogram - Provides a cladogram of the Synapsida showing the relationships of the different taxa.

http://tolweb.org/tree?group=Synapsida&contgroup=Amniota

» Synapsida: Mammals and Their Extinct Relatives - Information from the Tree of Life Web Project on the synapsids which include mammals and all extinct amniotes more closely related to mammals than to reptiles.

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