anapsida

1. Oldest known reptiles;
   Turtles and extinct Permian forms (synset 101664045)
   is a type of: class - (biology) a taxonomic group containing one or more orders
   member holonym:

   • anapsid, anapsid reptile - primitive reptile having no opening in the temporal region of the skull; all extinct except turtles
   • chelonia, order chelonia, order testudinata, order testudines, testudinata, testudines - tortoises and turtles
   belongs to: class reptilia, reptilia - class of cold-blooded air-breathing vertebrates with completely ossified skeleton and a body usually covered with scales or horny plates; once the dominant land animals
   same as: subclass anapsida

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