anapsid

Từ điển WordNet v3.1 - WordNet Dictionary

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:
chelonian, chelonian reptile
• Member Holonyms:
Anapsida, subclass Anapsida