Hannerz, 1956

Description of larva
Body slender and cylindrical.
Prostomium anteriorly weakly incised, with four eyes, no antenna, posteriorly with a caruncle reaching the middle of segment 2. Two long palps present.
First notopodium without chaetae.
Notopodial postchaetal lobes in the first chaetiger very long, posteriorly becoming shorter. Neuropodial postchaetal lobes short.
Fifth chaetiger with lanceolate chaetae and modified chaetae in a row. Modified chaetae with subdistal tooth. Seventh and following neuropodia with up to 11 bent hooded hooks.
Notopodia with capillaries only [P.hermaphroditica-ch].
Gills start at chaetiger 7.
Pygidium with funnel.

Size
Up to 16 mm for 65 segments.

Colour
Not described.

Depth range
Pelagic.

Remark
Only the pelagic larva is known.

Distribution:
Northern North Sea, including Skagerrak.

World distribution
NE Atlantic (?), Mediterranean.

Kingdom Animalia
Phylum Annelida
Class Polychaeta
Order Spionida
Superfamily Spionoidea
Family Spionidae
Genus Polydora
Species Polydora hermaphroditica

Status in World Register of Marine Species

Accepted name: Polydora hermaphroditica Hannerz, 1956

Sorry, there are no scientific synonyms and common names available for this species

de Kluijver, M., S.S. Ingalsuo, A.J.L. van Nieuwenhuizen and H.H. Veldhuijzen van Zanten, 2000. Macrobenthos of the North Sea. Vol. II - Keys to Polychaeta, Nemertina, Sipuncula, Platyhelminthes and miscellaneous worm-like groups. World Biodiversity database, CD-ROM Series. Expert Centre for Taxonomic Identifications (ETI), University of Amsterdam, Amsterdam.

Kirkegaard, J.B., 1996. Havbørsteorme II. Danmarks Fauna, 86: 1-451.

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