echinoderm

(redirected from phylum Echinodermata)
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Related to phylum Echinodermata: phylum Mollusca, phylum Arthropoda, phylum Chordata

e·chi·no·derm

(e-kī'nō-derm),
A member of the phylum Echinodermata.

echinoderm

any member of the phylum Echinodermata, including the sea urchins, starfish, brittle-stars, sea cucumbers, feather stars and sea lillies. The phylum is characterized by a pentaradiate structure (a five-sided RADIAL SYMMETRY) and the presence of tube feet in most forms.
References in periodicals archive ?
Al igual que en playa Paraiso, el phylum Mollusca presento la mayor cantidad de especies observandose 10, seguido del phylum Echinodermata con cinco especies, luego la superclase Crustacea con cuatro especies y una familia indeterminada, y el phylum Annelida con dos familias indeterminadas
Uno de los grupos taxonomicos de mayor importancia en la estructura de las comunidades marinas es el Phylum Echinodermata.