GONIATITE Meaning of GONIATITE in English [ 'gəʊnɪətʌɪt ]■ noun Palaeontology an ammonoid fossil of an early type with simple angular suture lines.OriginC19: from mod. L. Goniatites , from Gk gōnia 'angle'. Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004