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Phoronopsis harmeri
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Phoronida
Family:	Phoronidae
Genus:	Phoronopsis
Species:	P. harmeri
Binomial name
Phoronopsis harmeri Pixell, 1912
Synonyms
Phoronopsis malakhovi Temereva, 2000

Phoronopsis harmeri is a species of marine horseshoe worm in the phylum Phoronida. It was first described by H.L.M. Pixell in 1912, and was found off of Vancouver Island.

Ecology

This species has been found around the world in coastal habitats.

Like other Lophophorata, P. harmeli is a filter feeder. They have been known to various bacteria and other planktonic organisms with a size range of 1.2–12 μm.

Development

Larvae have a minor nerve ring. During larval development, serotonin-like immunoreactive parts of the nervous system change.

References

1. Pixell, H. L. M. (1912). Memoirs: two new species of the Phoronidea from Vancouver Island. Quarterly Journal of Microscopical Science. 2(230), 257-284.
2. ^ Emig, Christian (2020). "Phoronopsis harmeri Pixell, 1912". WoRMS. World Register of Marine Species. Retrieved 2020-09-27.
3. "Systematics, Taxonomy and Phylogeny of Phoronida". Phoronida World Database. 2020. Retrieved 2020-09-27.
4. E.N. Temereva, V.V. Malakhov (2010). "Filter feeding mechanism in the phoronid Phoronopsis harmeri (Phoronida, Lophophorata)". Russian Journal of Marine Biology. 36 (2): 109–116. Bibcode:2010RuJMB..36..109T. doi:10.1134/S1063074010020057. S2CID 40613246.
5. ^ Elena N Temereva, Eugeni B Tsitrin (2010). "Development and organization of the larval nervous system in Phoronopsis harmeri: new insights into phoronid phylogeny". Frontiers in Zoology. 11 (1): 3. doi:10.1186/1742-9994-11-3. PMC 3924620. PMID 24418063.

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