| 释义 |
anapsidenUK
a·nap·sid A5294000 (ə-năp′sĭd)n. 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.
[New Latin Anapsida, former subclass name : an- + Greek hapsis, hapsid-, arch (in reference to their lack of temporal openings); see apsis.]Thesaurus| Noun | 1. |  anapsid - primitive reptile having no opening in the temporal region of the skull; all extinct except turtlesanapsid reptilereptile, reptilian - any cold-blooded vertebrate of the class Reptilia including tortoises, turtles, snakes, lizards, alligators, crocodiles, and extinct formsAnapsida, subclass Anapsida - oldest known reptiles; turtles and extinct Permian formschelonian, chelonian reptile - a reptile of the order Cheloniadiapsid, diapsid reptile - reptile having a pair of openings in the skull behind each eye |
anapsidenUK
anapsid a member of the Anapsida, a group of reptiles in which the skull lacks a temporal FOSSA. The Anapsida include Seymouria, tortoises and turtles.anapsidenUK
Synonyms for anapsidnoun primitive reptile having no opening in the temporal region of the skullSynonymsRelated Words- reptile
- reptilian
- Anapsida
- subclass Anapsida
- chelonian
- chelonian reptile
Antonyms |