crinoid

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crinoid

any echinoderm of the class Crinoidea, including the present-day feather stars and sea lilies. They are common fossils from the CAMBRIAN PERIOD throughout geological history, and are mainly sedentary. Antodon is free-living in British waters.
References in periodicals archive ?
BLASTOIDEA Elaecrinus verneulianus (Troost) Heteroschisma pyramidatus (Shumard) CRINOIDEA Dolatocrinus lacus Lyon Dolatocrinus liratus (Hall) Dolatocrinus major Wachsmuth and Springer Megistocrinus depressus (Hall) Megistocrinus rugosus Lyon and Casseday Megistocrinus spinosulus Lyon TABLE 2 Species diagnoses table for Goniocrinus.
Phylogeny of Arenig to Caradoc crinoids (phylum Echinodermata) and suprageneric classification of the Crinoidea.
Early phylogeny and subclass division of the Crinoidea (phylum Echinodermata).