Thesaurus: synapsida
n extinct reptiles of the Permian to Jurassic considered ancestral to mammals
Related headwords
ancestraldefinitionconsidereddefinitionextinctdefinitionjurassicdefinitionmammalsdefinitionpermiandefinitionreptilesdefinitionsynapomorphiesfamilysynapsefamilysynapsesfamilysynapsidfamilysynapsid reptilefamilysynapsingfamilysynapsisfamilysynaptafamilysynaptasefamilysynapticfamilysynapticulafamilysynapticulaefamilySynaptomys borealisfamilySynaptomys cooperifamilysynaptosomesfamilysynangiumneighborsynantherousneighborsynanthesisneighborsynanthousneighborsynanthroseneighbor