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Bookmark or Share- Crinoid - WikipediaCrinoids are marine invertebrates that make up the class Crinoidea. Crinoids that are attached to the sea bottom by a stalk in their juvenile form are commonly called sea lilies, while the unstalked forms, called feather stars or comatulids, are members of the largest crinoid order, Comatulida.
- ADW: Crinoidea: INFORMATIONCrinoidea 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 the shallow-water ones, there are two body regions, the calyx and the rays. The calyx is the cup-shaped central portion that lies below the oral surface, which is ...
- Crinoid | Sea Lilies, Feather Stars & Stalked EchinodermsCrinoid, 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 projections (pinnules), contain the reproductive organs and carry numerous tube feet with sensory.
- Crinoid: Characteristics, Diet, Facts & More [Fact Sheet]Crinoids, often referred to as sea lilies or feather stars, are some of the most ancient and enchanting inhabitants of the ocean’s depths. These marine creatures, with their feathery arms and intricate designs, resemble flowers more than the animals they truly are.
- CRINOIDS - University of California Museum of PaleontologyCrinoids 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 complete extinction: many Paleozoic limestones are made up largely of crinoid skeletal fragments .
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