The sea lilies and feather stars: the most ancient surviving echinoderm class, filter-feeders with feathery, branching arms surrounding an upward-facing mouth, some species permanently attached to the sea floor by a stalk. Crinoidea was vastly more diverse in the Paleozoic era, when stalked forms covered large areas of shallow sea floor.
Facts
Disputed
Member Species/Taxa CountApproximate described-species (or, for a genus, described-taxon) count; continually revised as species are newly described, reclassified or synonymized. Taxonomic Rank Scientific Name Classification
Living or Extinct Connections
Child Taxon Of
Parent Taxon Of
Source Wikidata: Antedon Bifida
Sources
1. Wikidata (taxon extant/extinct status)
Wikimedia Foundation / Wikidata contributorsQ33666, descriptionView the Source 2. Catalogue of Life
Wikidata: Crinoidea
Wikidata: Antedon Bifida
Parent Taxon Of: Antedon Bifida, Wikidata parent-taxon (P171) chainView the Source Wikipedia: Crinoid
WikipediaIn Group: Echinoderm Classes, LeadQuote, In Group: Echinoderm Classes, Lead
Crinoids are marine invertebrates that make up the class Crinoidea.
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