Definition of pterobranch in English:

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pterobranch

Pronunciation: /ˈtɛrə(ʊ)braŋk/

noun

Zoology
A minute tube-dwelling colonial acorn worm found chiefly in deep water.
  • Class Pterobranchia, phylum Hemichordata
Example sentences
  • The SSU data supported enteropneust paraphyly by placing acorn worms of the family Ptychoderidae as the sister to a group consisting of pterobranchs + acorn worms of the family Harrimaniidae.
  • Previously, hemichordates were thought to be paraphyletic, with enteropneusts (acorn worms) more closely related to chordates and pterobranchs closer to echinoderms.
  • The ciliary bands on the phoronid and brachiopod tentacles are upstream-collecting bands with separate cilia on monociliate cells just like those of larvae or adults of pterobranchs, echinoderms and enteropneusts.

For editors and proofreaders

Line breaks: ptero|branch

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