ammonites

noun

Any of an extinct group of cephalopods of the subclass Ammonoidea; a fossil shell of such an animal.

Synonyms: ammonid, ammonoid

Similar Words

amma /ˈæmə/ ammo /ˈæ.moʊ/ ammoniated ammonite /ˈæmənaɪt/ ammonium /əˈmoʊni.əm/ ammonoid ammonoids ammunition /ˌæmjuˈnɪʃən/ ammeter ammeters