Deuterostomia

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Jennifer Franco's picture

phylum: Echinodermata class: Asteroidea - sea stars class: Ophiuroidea - brittle stars class: Echinodea - Sea urchins class: Holothuroidea - sea cucumber class: Crinodea - feather stars

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What phyla belong to this clade?

Echinodermata

What is the morphological character they share?

blastopore becomes the anus