palinurus vulgaris

from The Collaborative International Dictionary of English v.0.48

Sea crawfish \Sea" craw"fish`\ Sea crayfish \Sea" cray"fish`\
   (Zool.)
   Any crustacean of the genus {Palinurus} and allied genera, as
   the European spiny lobster ({Palinurus vulgaris}), which is
   much used as an article of food. See {Lobster}.
   [1913 Webster]