The Collaborative International Dictionary of English v.0.48:

Encrinite \En"cri*nite\, n. [Gr. ? in + ? a lily: cf. F.
   encrinite.] (Paleon.)
   A fossil crinoid, esp. one belonging to, or resembling, the
   genus Encrinus. Sometimes used in a general sense for any
   crinoid. Encrinitic