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Clypeasteroida 7
Crinoidea 4
Echinoidea 17
Holothuroidea 21
Ophiuroidea 10
Stelleroidea 11
| | Echinodermata - Zoology, Biology, Science 5
Echinoderms - Invertebrates, Paleontology, Earth Sciences, Science 17
 Classification of the Extant EchinodermataClassification of the Extant Echinodermata
 Describes the taxonomic groupings and provides links to images of some taxa.
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EchinodermataEchinodermata
 Characteristics and phylogeny of the spiny-skinned animals: sea urchins, starfish, and their allies.
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EchinodermsEchinoderms
 Descriptions of the major species of Echinodermata (starfish, brittle star, sea urchin, feather star, sea cucumber) with illustrations and links to photos.
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The Echinoid DirectoryThe Echinoid Directory
 Project based at the Natural History Museum, London, aiming to provide information for amateurs and the scientific community on this major group of marine invertebrates with a long fossil record.
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Galaxy of Images: Starfish, Sea Lilies and Other EcinodermsGalaxy of Images: Starfish, Sea Lilies and Other Ecinoderms
 Provides images from the printed books and manuscripts in the collections of the Smithsonian Institution Libraries.
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Gallery of Echinoderm LarvaeGallery of Echinoderm Larvae
 A collection of photographs of developing starfish and sea urchins with information about each.
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Introduction to the EchinodermataIntroduction to the Echinodermata
 Overview of the systematics and ecology of starfish, brittle stars, sea cucumbers, sea urchins, and sand dollars.
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Phylum EchinodermataPhylum Echinodermata
 Some characteristics of the phylum that includes starfish, sea cucumbers, sea urchins, crinoids and brittle stars.
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Sea and Sky: EchinodermsSea and Sky: Echinoderms
 A brief description of the phylum followed by a long list of annotated photographs.
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