anapsid

anapsid
/euh nap"sid/, adj.
1. belonging or pertaining to the Anapsida, a subclass of reptiles, extinct except for the turtles, characterized by having no opening in the temporal region of the skull.
n.
2. a reptile of the subclass Anapsida. Cf. diapsid.
[1930-35; < NL Anapsida, equiv. to an- AN-1 + -apsida, pl. of -apsidum, neut. adj. deriv. of Gk apsís, hapsís loop, arch (referring to the opening in the skull); see APSIS]

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  • anapsid — noun primitive reptile having no opening in the temporal region of the skull; all extinct except turtles • Syn: ↑anapsid reptile • Ant: ↑diapsid • Hypernyms: ↑reptile, ↑reptilian • Hyponyms: ↑ …   Useful english dictionary

  • anapsid reptile — noun primitive reptile having no opening in the temporal region of the skull; all extinct except turtles • Syn: ↑anapsid • Ant: ↑diapsid (for: ↑anapsid) • Hypernyms: ↑reptile, ↑ …   Useful english dictionary

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