What is the meaning of subclass archaeornithes?

noun

  • Primitive reptile-like fossil birds of the Jurassic or early Cretaceous.
WordNet 3.0 © 2006 by Princeton University
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APAWordNet. (2010). subclass archaeornithes. Retrieved September 22, 2026, from http://smartdefine.org/subclass_archaeornithes/definitions/1313629
ChicagoWordNet. 2010. "subclass archaeornithes" http://smartdefine.org/subclass_archaeornithes/definitions/1313629 (accessed September 22, 2026).
HarvardWordNet 2010, subclass archaeornithes, Smart Define, viewed 22 September, 2026, <http://smartdefine.org/subclass_archaeornithes/definitions/1313629>.
MLAWordNet. "subclass archaeornithes" 23 October 2010. Web. 22 September 2026. <http://smartdefine.org/subclass_archaeornithes/definitions/1313629>