Crinoid | Sea Lilies, Feather Stars & Stalked Echinoderms
WEBcrinoid, any marine invertebrate of the class Crinoidea (phylum Echinodermata) usually possessing a somewhat cup-shaped body and five or more flexible and active arms. The arms, edged with feathery …
Zeelelies - Wikipedia
ADW: Crinoidea: INFORMATION
WEBBy Derek Kellogg and Daphne G. Fautin. Crinoidea is a small class of echinoderms with around 600 species. Many crinoids live in the deep sea, but others are common on coral reefs. In most extant crinoids, primarily …
Crinoidea - Digital Atlas of Ancient Life
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Crinoids: The Weird World of Feather Stars & Sea Lilies
WEBFeb 27, 2020 · The Crinoidea – or Feather Stars and Sea Lilies – are among the most ancient of the Echinoderms. Most of them consist of a set of many branched arms, connected to a central cup-shaped body – …
Crinoids - British Geological Survey
WEBCrinoids are marine animals belonging to the phylum Echinodermata and the class Crinoidea. They are an ancient fossil group that first appeared in the seas of the mid Cambrian, about 300 million years before dinosaurs. …
Introduction to the Crinoidea - University of California …
WEBCrinoids are neither abundant nor familiar organisms today. However, they dominated the Paleozoic fossil record of echinoderms and shallow marine habitats until the Permo-Triassic extinction, when they suffered a near …
Fixed, free, and fixed: The fickle phylogeny of extant Crinoidea ...
Phylogenetic taxonomy and classification of the …
WEBFeb 22, 2017 · The Crinoidea (Echinodermata) is one of the five major clades of living echinoderms and has a rich fossil record spanning nearly a half billion years. Using principles of phylogenetic taxonomy and recent …