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Phylum Echinodermata

Phylum Echinodermata

Phylum Echinodermata

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Ecology<br />

exclusively marine and stenohaline<br />

typically benthic (infaunal, epifaunal) but a few pelagic (planktonic and<br />

pseudo-planktonic) forms exist<br />

live free (vagile, floating, or active swimming) or attached (sessile)<br />

live on all kinds of substrates, littoral to abyssal, in all latitudes<br />

(today typical in shallow coastal waters and ocean trenches)<br />

carnivorous / herbivorous / detritus eaters<br />

<strong>Echinodermata</strong> – ecology

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