'Turrilite' definitions:

Definition of 'Turrilite'

From: GCIDE

Turrilite \Tur"ri*lite\, n. [L. turris tower + Gr. ? stone: cf. F. turrilite.] (Paleon.) Any fossil ammonite of the genus Turrilites. The shell forms an open spiral with the later whorls separate. [1913 Webster]