McIntosh, 1908

Description:
Prostomium pentagonal with two antennae and two similar palps.
First segment with dorsal and somewhat longer ventral tentacular cirri.
Parapodia: shape of postchaetal lamellae broadly rounded always longer than the acicular lobes. Acicular lobes rounded to conical, prechaetal lamellae bilobed. Neuropodial postchaetal lamellae without vascular structures.
Gills start at segment 4 to the posterior end (N. kersivalensis-parapodium).
Pharynx with 22 longitudinal rows of 3 to 6 papillae with a mediodorsal papilla, which is almost 5 times as long as the longest subterminal papilla.

Size:
Up to 40 mm long for 80 to 85 segments.

Colour:
In alcohol cream-coloured. Chaetae light brown.

Habitat:
Vertical distribution from the upper sublittoral down to 295 m.

Distribution:
Widely distributed in the area.

Kingdom Animalia
Phylum Annelida
Class Polychaeta
Order Phyllodocida
Superfamily Nephtyoidea
Family Nephtyidae
Genus Nephtys
Species Nephtys kersivalensis

Status in World Register of Marine Species

Accepted name: Nephtys kersivalensis McIntosh, 1908

Scientific synonyms and common names

Nephtys hombergii var. kersivalensis McIntosh, 1908
Nephtys kersivalensis Rainer, 1989

Hartmann-Schröder, G., 1996. Annelida, Borstenwürmer, Polychaeta. Tierwelt Deutschlands, 58: 1-648.

Rainer, S.F., 1989. Redescription of Nephtys assimilis and N. kersivalensis (Polychaeta: Phyllodocidae). J. mar. biol. Ass. U.K., 69: 875-899.

Rainer, S.F., 1991. The genus Nephtys of northern Europe: a review of species, including the description of N. pulchra sp. n. and a key to the Nephtyidae. Helgoländer Meeresunters., 45: 65-69.

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You can continue searching for Nephtys kersivalensis on one of these Web sites:

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