Classification of the Extant Echinodermata - Describes the taxonomic groupings and provides links to images of some taxa.Phylum Echinodermata - Some characteristics of the phylum that includes starfish, sea cucumbers, sea urchins, crinoids and brittle stars.
DiveInfo's Index of EchinodermataPhylum Echinodermata - Overview of the taxonomy and characteristics of the echinoderms, provided in a series of university lecture slides.
Echinodermata Hub - Echinoderm links.
Phylum Echinodermata - Photographs of members of each class.
Introduction to the Echinodermata - Overview of the systematics and ecology of starfish, brittle stars, sea cucumbers, sea urchins, and sand dollars.
Sea and Sky: Echinoderms - A brief description of the phylum followed by a long list of annotated photographs.
Echinoderms - Descriptions of the major species of Echinodermata (starfish, brittle star, sea urchin, feather star, sea cucumber) with illustrations and links to photos.
Echinodermata - Characteristics and phylogeny of the spiny-skinned animals: sea urchins, starfish, and their allies.
