Rhynchocephalia

Từ điển WordNet v3.1 - WordNet Dictionary

noun

tuataras;
extinct forms from middle Triassic
• Syn:
order Rhynchocephalia
• Hypernyms:
animal order
• Member Holonyms:
Lepidosauria, subclass Lepidosauria
• Member Meronyms:
Sphenodon, genus Sphenodon