Noun order therapsida has 1 sense
  1. Therapsida, order Therapsida - extinct mammal-like reptiles found inhabiting all continents from the mid Permian to late Triassic
    --1 is a kind of animal order
    --1 is a member of Synapsida, subclass Synapsida
    --1 has members:
     therapsid, protomammal; Chronoperates, genus Chronoperates; Cynodontia, division Cynodontia; Dicynodontia, division Dicynodontia
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