Echinodermata (a nomine Graeco ἐχινόδερμα 'cutis ericina', deductum) sunt phylum animalium marinorum quae in omnibus oceani profunditatibus, ab aestuario ad zonam abyssalem, habitant.
Praeter genus Arkaruam, prima phyli membra certa circa initium Aevi Cambrici apparuerunt.
Phylo insunt circa 7000 specierum exstantium, quod ergo est secundus Deuterostomiorum grex, post Chordata. Echinodermata sunt maximum phylum cuius membra ab aquis dulcibus vel terra absunt.
Quinque major classes includunt : Echinoidea (echini marini), Asteroidea (stellae marinae), Holothuroidea (cucumes marinae), Crinoidea atque Ophiuroidea.
Situs scientifici: • ITIS • NCBI • Biodiversity • Encyclopedia of Life • WoRMS: Marine Species • Fossilworks |
Vide "Echinodermata" apud Vicispecies. |
Vicimedia Communia plura habent quae ad Echinodermata spectant. |
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