Synapsids Vertebrates Paleontology Earth Sciences

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.

• Synapsida: Mammals and Their Extinct Relatives - Information from the Tree of Life Web Project synapsids on the synapsids synapsids which include mammals and all synapsids extinct amniotes more closely synapsids related to mammals than synapsids to reptiles.
• Ask a Biologist Q&A: Synapsid Skin - Forum thread discussing where the non-mammalian synapsids stand synapsids in the vertebrates transition from reptilian scales to mammalian synapsids hair.
• Synapsid - Information from Wikipedia on this group of reptiles, paleontology their changing synapsids classification, characteristics and evolutionary history.
• Dinocephalia - Illustration and information on the characters and anatomy, paleontology major subgroups, fossil record and evolution of these paleontology carnivorous therapsids.
• Synapsid Cladogram - Provides a cladogram of the Synapsida showing the synapsids relationships of the different taxa.
• Dkimages: Synapsids - Photographs of several cynodont and therapsid fossils including synapsids a reconstructed vertebrates skeleton of Sinokannemeyeria yinchiaaoensis.
• 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.
• Mammal-like Reptiles - The Natural History Museum supplies illustrations of Anteosaurus, paleontology Cynognathus, Dicynodon, vertebrates Dimetrodon, Lystrosaurus, Moschops, Oligokyphus and Thrinaxodon, paleontology with brief facts about vertebrates each.
• Fossil Groups: Diapsids - Provides information on this group of amniotes, their characters and anatomy, major subgroups, fossil record, modern forms, literature and weblinks.
• Dicynodontia - Illustration and information on the characters and anatomy, major subgroups, paleontology fossil record and evolution of these herbivores.
• Fossil Groups: Synapsida - Provides information on the characteristics and anatomy of synapsids with vertebrates a diagram of a typical early period skull showing the vertebrates synapsid arch and undifferentiated teeth.

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