Eunoe opalina

Eunoe opalina
Scientific classification
Kingdom:	Animalia
Phylum:	Annelida
Class:	Polychaeta
Order:	Phyllodocida
Family:	Polynoidae
Genus:	Eunoe
Species:	E. opalina
Binomial name
	Eunoe opalina; McIntosh 1885[1]

Eunoe opalina is a scale worm widely distributed in the Southern Ocean at depths of about 200–1400m.[2]

Description

Number of segments 38; elytra 15 pairs. No distinct pigmentation pattern. Prostomium anterior margin comprising a pair of acute anterior projections. Lateral antennae inserted ventrally (beneath Prostomium and median antenna). Notochaetae thinner than neurochaetae. Bidentate neurochaetae absent.[3]

Commensalism

E. oplina is commensal. Its host taxon is a sea cucumber: Bathyplotes bongraini.

References

Read, G.; Fauchald, K. (Ed.) (2020). World Polychaeta database. Eunoe opalina McIntosh, 1885. Accessed through: World Register of Marine Species at: http://www.marinespecies.org/aphia.php?p=taxdetails&id=327847
McIntosh, William C. [as M'Intosh]. (1885). Report on the Annelida Polychaeta collected by H.M.S. Challenger during the years 1873–1876. Report on the Scientific Results of the Voyage of H.M.S. Challenger during the years 1873–76. Zoology. 12 (part 34): i-xxxvi, 1–554
Fauchald, K.; Wilson, R.S. (2003). "Polynoidae (Polychaeta)-A DELTA database of genera, and Australian species". In R.S. Wilson; P.A. Hutchings; C. J. Glasby (eds.). Polychaetes: An Interactive Identification Guide. Melbourne: CSIRO Publishing.

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[1] Read, G.; Fauchald, K. (Ed.) (2020). World Polychaeta database. Eunoe opalina McIntosh, 1885. Accessed through: World Register of Marine Species at: http://www.marinespecies.org/aphia.php?p=taxdetails&id=327847

[2] McIntosh, William C. [as M'Intosh]. (1885). Report on the Annelida Polychaeta collected by H.M.S. Challenger during the years 1873–1876. Report on the Scientific Results of the Voyage of H.M.S. Challenger during the years 1873–76. Zoology. 12 (part 34): i-xxxvi, 1–554

[3] Fauchald, K.; Wilson, R.S. (2003). "Polynoidae (Polychaeta)-A DELTA database of genera, and Australian species". In R.S. Wilson; P.A. Hutchings; C. J. Glasby (eds.). Polychaetes: An Interactive Identification Guide. Melbourne: CSIRO Publishing.