• Synapsid - Wikipedia, the free encyclopedia

    en.wikipedia.org/wiki/Synapsid Synapsids (Greek, 'fused arch'), synonymous with theropsids (Greek, 'beast-face'), are a group of animals that includes mammals and every animal more closely related ...
  • Synapsida: Tree of Life - Tree of Life Web Project

    tolweb.org/Synapsida Introduction. Synapsids include mammals and all extinct amniotes more closely related to mammals than to reptiles. Synapsids are the dominant large terrestrial ...
  • 9.2: Synapsids - Macroevolution.net

    www.macroevolution.net/synapsids.html Were synapsids conventional reptiles? Or were they a distinct type of animal that arose concurrently with reptiles?
    • Introduction to the Synapsida - UCMP

      www.ucmp.berkeley.edu/synapsids/synapsida.html Introduction to the Synapsida. Much more than mammals! The mammals of today are but one branch of the Synapsida, a great vertebrate group with a 300 million year history.
    • The Fossil Non-mammalian Synapsid Collection at The Field ...

      www.fieldmuseum.org/fossil-non-mammalian-synapsid-collection-field-museum Non-mammalian synapsids are an extremely important part of the fossil record because they document the evolutionary history of many of the distinctive features of ...
    • List of synapsids - Wikipedia, the free encyclopedia

      en.wikipedia.org/wiki/List_of_synapsids This list of synapsids is an attempt to create a comprehensive listing of all genera that have ever been included in the synapsida excluding mammals and purely ...