scyllarian

from The Collaborative International Dictionary of English v.0.48

Scyllarian \Scyl*la"ri*an\, n. (Zool.)
   One of a family ({Scyllaridae}) of macruran Crustacea,
   remarkable for the depressed form of the body, and the broad,
   flat antennae. Also used adjectively.
   [1913 Webster]