What is the meaning of subclass anapsida?

noun

  • Oldest known reptiles; turtles and extinct Permian forms.
WordNet 3.0 © 2006 by Princeton University
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APAWordNet. (2010). subclass anapsida. Retrieved September 23, 2026, from http://smartdefine.org/subclass_anapsida/definitions/1313628
ChicagoWordNet. 2010. "subclass anapsida" http://smartdefine.org/subclass_anapsida/definitions/1313628 (accessed September 23, 2026).
HarvardWordNet 2010, subclass anapsida, Smart Define, viewed 23 September, 2026, <http://smartdefine.org/subclass_anapsida/definitions/1313628>.
MLAWordNet. "subclass anapsida" 23 October 2010. Web. 23 September 2026. <http://smartdefine.org/subclass_anapsida/definitions/1313628>