Crinoid - Wikipedia
Crinoids are marine invertebrates that make up the class Crinoidea. Crinoids that remain attached to the sea floor by a stalk in their adult form are commonly called sea lilies, while the unstalked forms, called feather stars or comatulids, are members of the largest crinoid order, Comatulida. Crinoids are echinoderms in the phylum Echinodermata, which also includes the st… 展开
海洋的隐藏之美具有百合触感的棘皮动物LocomotionMost modern crinoids, i.e., the feather stars, are free-moving and lack a stem as adults. Examples of fossil crinoids that have been interpreted as free-swimming include Marsupites, Saccocoma and Uintacrinus. In general, crinoid… 展开
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Camerata (crinoid) - Wikipedia
The Camerata or camerate crinoids are an extinct subclass of Paleozoic stalked crinoids. They were some of the earliest crinoids to originate during the Early Ordovician, reached their …
Crinoid - Wikiwand
Crinoids are passive suspension feeders, filtering plankton and small particles of detritus from the sea water flowing past them with their feather-like arms. The arms are raised to form a fan …
List of crinoid genera - Wikipedia
This list of crinoid genera is an attempt to create a comprehensive listing of all genera that have ever been considered to be crinoids, excluding purely vernacular terms.
Articulata (Crinoidea) - Wikipedia
Articulata are a subclass or superorder within the class Crinoidea, including all living crinoid species. They are commonly known as sea lilies (stalked crinoids) or feather stars (unstalked …
Pentacrinites - Wikipedia
Pentacrinites is an extinct genus of crinoids that lived from the Hettangian to the Bathonian of Asia, Europe, North America, and New Zealand. Their stems are pentagonal to star-shaped in …
Crinoids - British Geological Survey
Crinoids 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. They flourished …
Crinoidea - Simple English Wikipedia, the free …
The crinoids are a class of echinoderms. [1] They have two forms, the sea lilies, stalked forms attached to the sea floor, and the feather stars, which are free-living. All crinoids are marine, and live both in shallow water and in depths as …
Crinozoa - Wikipedia
Crinozoa is a subphylum of mostly sessile echinoderms, of which the crinoids, or sea lilies and feather stars, are the only extant members. [1] [2] Crinozoans have an extremely extensive …
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