基本释义
n.
海百合纲
相关例句
Crinoidea
3.Any of various echinoderms of the class Crinoidea, including the sea lilies and feather stars, that are characterized by a cup-shaped body, feathery radiating arms, and either a stalk or clawlike structure with which they are able to attach to a surface.
4.On the basis of a study of the taxonomy, shape, structure and paleoecology of Traumatocrinus (Echinodermata, Crinoidea), especially, a number of newly discovered well-preserved colonies with attached drift wood it is further suggested that the sea lily-like crinoids had a pseudo-planktonic living style.
