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Contents

   



(Top)
 


1 Characteristics  





2 Families  





3 References  














Isocrinida






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From Wikipedia, the free encyclopedia
 


Isocrinida
Temporal range: Anisian to Recent

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Isocrinus nicoleti columnals; Middle Jurassic; Carmel Formation; Utah.
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Echinodermata
Class: Crinoidea
Subclass: Articulata
Order: Isocrinida

Isocrinida is an order of sea lilies which contains four extant families.

Characteristics[edit]

Members of this order are characterised by having a "heteromorphic" stalk; the stalk consists of a series of nodes with cirri, interspersed by several nodes without cirri. There are additionally a whorl of cirri at the base on which the animal perches. The calyx is a shallow cup consisting of five basals and five radials.[1]

Families[edit]

References[edit]

  1. ^ O'Hara, Timothy; Byrne, Maria (2017). Australian Echinoderms: Biology, Ecology and Evolution. Csiro Publishing. p. 192. ISBN 978-1-4863-0763-0.


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  • Retrieved from "https://en.wikipedia.org/w/index.php?title=Isocrinida&oldid=1181770718"

    Categories: 
    Isocrinida
    Articulata (Crinoidea)
    Anisian first appearances
    Extant Middle Triassic first appearances
    Echinoderm orders
    Crinoidea stubs
    Hidden categories: 
    Articles with short description
    Short description is different from Wikidata
    Articles with 'species' microformats
    Articles with J9U identifiers
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    This page was last edited on 25 October 2023, at 03:06 (UTC).

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