Question

What is Hemichorda ???​

Answer 1

Answer:

• Hemichordata is a phylum of marine deuterostome animals, generally considered the sister group of the echinoderms. They appear in the Lower or Middle Cambrian and include two main classes: Enteropneusta, and Pterobranchia.

Answer 2

Hemichordate, any of a group of wormlike marine invertebrates closely related to both chordates and echinoderms and usually considered to constitute a phylum, the Hemichordata. ... Molecular studies indicate that hemichordates are more closely related to echinoderms than to chordates. About 90 species have been described.