noun
primitive sharks
• Syn: ↑family Hexanchidae
• Hypernyms: ↑fish family
• Member Holonyms: ↑Elasmobranchii, ↑subclass Elasmobranchii, ↑Selachii, ↑subclass Selachii
• Member Meronyms: ↑Hexanchus, ↑genus Hexanchus
* * *
\\hekˈsaŋkəˌdē\ noun pluralUsage: capitalized
: a family of sharks consisting of many fossil forms and a few living forms that have one dorsal fin and a palatoquadrate which articulates with the postorbital part of the skull
Useful english dictionary. 2012.