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Noun1.Crinoidea - sea liliesCrinoidea - sea lilies        
Echinodermata, phylum Echinodermata - radially symmetrical marine invertebrates including e.g. starfish and sea urchins and sea cucumbers
crinoid - primitive echinoderms having five or more feathery arms radiating from a central disk
class - (biology) a taxonomic group containing one or more orders
References in periodicals archive ?
Genera included in this group are members of Crinoidea, Strophomenata and Rhynchonellata.
Messing is a professor at NSU's Oceanographic Center; his areas of research include the systematics, evolution and ecology of living Crinoidea, the group to which sea lilies belong, and the ecology and biogeography of tropical deep-water, rocky-bottom invertebrate communities (e.
The manuscript, commissioned by Sir Edmund, is filled with detailed renditions of objects in the Museum: The first page, which shows the floor plan for the new Museum, is decorated with illustrations of Crinoidea and Graptoliteo from the ROM of Palaeontology.