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''Archaeosyodon'' is an extinct genus of
dinocephalia Dinocephalians (terrible heads) are a clade of large-bodied early therapsids that flourished in the Early and Middle Permian between 279.5 and 260 million years ago (Ma), but became extinct during the Capitanian mass extinction event. Dinoceph ...
n
therapsid Therapsida is a major group of eupelycosaurian synapsids that includes mammals, their ancestors and relatives. Many of the traits today seen as unique to mammals had their origin within early therapsids, including limbs that were oriented mor ...
s. It was medium-sized, reaching about 1.5–2 m (4–5 ft) in length.


See also

*
List of therapsids This list of therapsids is an attempt to create a comprehensive listing of all genera that have ever been included in the Therapsida excluding mammals and purely vernacular terms. The list includes all commonly accepted genera, but also genera tha ...


References

Anteosaurs Prehistoric therapsid genera Permian synapsids of Asia Prehistoric synapsids of Europe Guadalupian synapsids Fossil taxa described in 1960 Guadalupian genus first appearances Guadalupian genus extinctions {{paleo-therapsid-stub