
Ambulacraria , or Coelomopora , is a clade of invertebrate phyla that includes echinoderms and hemichordates;
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Ambulacraria , or Coelomopora , is a clade of invertebrate phyla that includes echinoderms and hemichordates; a member of this group is called an ambulacrarian. Phylogenetic analysis suggests the echinoderms and hemichordates separated around 533 million years ago. The Ambulacraria are part of the deuterostomes, a clade that also includes the many Chordata, and the few extinct species belonging to the Vetulicolia.
==Etymology==
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).