Web Directory

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

» 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/dicynodontia/title%20page.html

» Dinocephalia
   Illustration and information on the characters and anatomy, major subgroups, fossil record and evolution of these carnivorous therapsids.
   http://palaeo.gly.bris.ac.uk/Palaeofiles/Fossilgroups/dinocephalia/index.htm

» Dkimages: Synapsids
   Photographs of several cynodont and therapsid fossils including a reconstructed skeleton of Sinokannemeyeria yinchiaaoensis.
   http://www.dkimages.com/discover/Home/Science/Earth-Sciences/Palaeontology/Fossils/Vertebrates/Reptiles/Synapsids/index.html

» 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/Diapsida/

» 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://palaeo.gly.bris.ac.uk/Palaeofiles/Fossilgroups/Synapsida/characters.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.ucmp.berkeley.edu/synapsids/synapsida.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.
   http://www.nhm.ac.uk/nature-online/life/dinosaurs-other-extinct-creatures/non-dino-reptiles/mammal-like-reptiles/

» Synapsid
   Information from Wikipedia on this group of reptiles, their changing classification, characteristics and evolutionary history.
   http://en.wikipedia.org/wiki/Synapsids

» Synapsid Cladogram
   Provides a cladogram of the Synapsida showing the relationships of the different taxa.
   http://www.palaeos.com/Vertebrates/Units/400Therapsida/400.725.html

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