an ammonoid fossil of an early type found chiefly in the Devonian and Carboniferous periods, typically with simple angular suture lines.Compare with ammonite and ceratite.
Typified by the genus Goniatites, order Goniatitida
Origin:
mid 19th century: from modern Latin Goniatites, from Greek gōnia 'angle'
goniatite in other Oxford dictionaries
Definition of goniatite in the US English dictionary
