Definify.com

Webster 1913 Edition

Noun.

[L.

turris

tower + Gr. [GREEK] stone: cf. F.

turrilite

(Paleon.)

Any fossil ammonite of the genus

Turrilites

. The shell forms an open spiral with the later whorls separate.

Noun.

The fossil remains of a spiral multilocular shell.

turrilite ‎(plural turrilites)

(paleontology) Any fossil ammonite of the genus †Turrilites. The shell forms an open spiral with the later whorls separate.