Buckman, S.S. A monograph on the Inferior Oolite Ammonites of the British Islands - London Palaeontographical Society 1904 - Part 12, Supplement - v.58 . Subjects--Topical Terms: AMMONOIDEAJURASICOPALEONTOLOGÍA Subjects--Geographic Terms: INGLATERRA Universal Decimal Class. No.: 56(082)(420)/P19/58|6