noun
primitive sharks
• Syn: ↑Hexanchidae
• Hypernyms: ↑fish family
• Member Holonyms: ↑Elasmobranchii, ↑subclass Elasmobranchii, ↑Selachii, ↑subclass Selachii
• Member Meronyms: ↑Hexanchus, ↑genus Hexanchus
Useful english dictionary. 2012.