Anapsid Definition
ə-năpsĭd
noun
Any of a group of chiefly extinct reptiles that first emerged in the early Permian Period and are characterized by a skull with no openings in the temporal region. Modern turtles and tortoises may be surviving members of this group, or they may be descendants of diapsids that lost their skull openings.
American Heritage
Synonyms:
- anapsid reptile
Antonyms:
Other Word Forms of Anapsid
Noun
Singular:
anapsid
Plural:
anapsidsOrigin of Anapsid
-
New Latin Anapsida former subclass name an- Greek hapsis hapsid- arch (in reference to their lack of temporal openings) apsis
From American Heritage Dictionary of the English Language, 5th Edition
Find Similar Words
Find similar words to anapsid using the buttons below.