Crinoids - Sea Lillies Or Feather Stars

Crinoids
Also known as sea lilies or feather-stars, are marine animals that make up the class Crinoidea of the echinoderms. They live both in shallow water and in depths as great as 6,000 meters.
Crinoids are characterized by a mouth on the top surface that is surrounded by feeding arms.

Scientific Classification

Phylum:        Echinodermata
Sub Phylum:  Cronozoa
Class:           Crinoidea