Talk:Hemichordate

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Untitled[edit]

I think this article needs a lot of help- I am not a biologist, and hemichordates are not really my area of interest as an amateur- but I thought it had been reasonably well established with molecular data that hemichordates are monophyletic, and sister to echinodermata as ambulacraria, and that the main taxonomic controversy remaining was whether pterobranchia is really a sister group to enteropneusta, or whether enteropneusta is paraphyletic. Any biologists wish to comment.

Except that marine worm is far more general, and pterobranch is more specific. Please be careful with this stuff! --Josh Grosse

I'm just copying over what was in metazoa. I plan on checking out all the facts later - and in the meantime have placed each one of these on my watchlist. Pardon the mess. :) --maveric149

1. Taxobox says EnterEpneusta, but the article says EnterOpneusta. What is true? 2. What are Planctosphaeroidea?--213.247.213.207 21:19, 11 February 2006 (UTC)[reply]

I started making extensive changes and adding new material to this article. This is my first wikipedia contribution so please tell me if I'm doing something wrong. I deleted some sentences that were irrelevant. I'll keep completing this article in the next few days. By the way I'm a graduate student working on hemichordates. Cephalodiscus (talk) 06:57, 26 January 2011 (UTC)[reply]

Neural Tube and Neurocord[edit]

I added a citation needed template to the claim "A hollow neural tube exists among some species (at least in early life), probably a primitive trait they share with the common ancestor of chordata and the rest of the deuterostomes". Which species? I know very little about hemichordates. enteropneusts have a neurocord, but it seems that "Although comparative data are scanty, it seems likely that the neurocord is a unique attribute of Enteropneusta and is unlikely to be homologous with the chordate neural tube" (doi:10.1139/Z04-158). The same ref states that echinoderms may have have a neural tube homoplasy. Cmungall (talk) 07:11, 28 June 2012 (UTC)[reply]

Redirect[edit]

"Protochordata" redirects to this article but seems to be something completely different (a subphylum of chordata). 81.101.197.228 (talk) 22:16, 8 June 2013 (UTC)[reply]

Zoology[edit]

What is hemichordata and it's function 2405:201:AC05:902F:ED71:7D60:1136:7A2 (talk) 03:20, 13 August 2022 (UTC)[reply]

See Hemichordata. :) — Meghmollar2017 (U T C) — 09:26, 13 August 2022 (UTC)[reply]