Lamellibrachia barhami
{{Short description|Species of annelid}}
{{Speciesbox
| image =
| genus = Lamellibrachia
| species = barhami
| authority = Webb, 1969
}}
Lamellibrachia barhami is a large pogonophore.{{cite journal | last1 = Webb | first1 = Michael | year = 1969 | title = Lamellibrachia barhami, gen. nov., sp. nov., (Pogonophora), from the Northeast Pacific | journal = Bulletin of Marine Science | volume = 19 | issue = 1| pages = 18–47 }}
Description
Its tentacular crown is formed of several, fused, horseshoe-shaped tentacle lamellae. The second segment has two body folds, near which open the genital ducts. The trunk, which comprises 89% of its total body length, is undifferentiated. The true metasoma is without setae. The heart is a simple muscular elaboration of the anterior end of the ventral blood vessel. The brain is large, and from it arises a pair of intraepidermal nerve cords, which extend the full length of the vestimental region; thereafter, they join and form the a nerve cord of the trunk. Associated with the brain and the nerve cords are the dorsal tubes.
References
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Further reading
- Kiel, Steffen, ed. The Vent and Seep Biota: Aspects from Microbes to Ecosystems. Vol. 33. Springer, 2010.
- MacLeod, C. J., Paul A. Tyler, and C. L. Walker, eds. "Tectonic, magmatic, hydrothermal and biological segmentation of mid-ocean ridges." Geological Society of London, 1996.
- Beesley, Pamela L., Graham JB Ross, and Christopher J. Glasby, eds.Polychaetes & allies: the southern synthesis. Vol. 4. CSIRO publishing, 2000.
- Van Dover, Cindy. The ecology of deep-sea hydrothermal vents. Princeton University Press, 2000.
- Sigvaldadóttir, Elín, Andrew SY Mackie, and Gudmundur V. Helgason, eds.Advances in Polychaete Research. Vol. 170. Springer, 2003.
{{Taxonbar|from=Q3614596}}
Category:Animals described in 1969
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