Turbinite
Pronunciation : Tur"bi*nite
Part of Speech : n.
Etymology : [NL. Turbo, the generic name, fr. L. turbo a whirl, top: cf. F. turbinite.] (Paleon.)
Definition : Defn: A petrified shell resembling the genus Turbo. [R.]
Source : Webster's Unabridged Dictionary, 1913