M. Sars, 1851

Description:
About a third of mid-dorsum without chaetae. Two large eyes dorsally and two smaller eyes ventrally. Caruncle extending posteriorly on to chaetiger 5. Each notopodium with five to six gills, branched dichotomously several times; terminal filaments conical, not thickened. Two dorsal cirri. Notopodial chaetae extending only slightly beyond the gills, shorter than neuropodial chaetae and of two kinds: 1) smooth, forked, one branch very much shorter than the other; 2) unequally forked chaetae with curved divergent branches, with strong serrations on inner sides. Neuropodial chaetae with curved hooked tips, with a strong lateral spur, some with an additional slender subterminal tooth.

Size:
Up to 10 mm for 19-30 segments.

Colour:
Brick red to pale yellow.

Habitat:
In sand, mixtures of mud, shell and gravel and corals; from the shallow subtidal region to depths of more than 3000 m.

Distribution:
All over the North Atlantic and the Mediterranean.

Kingdom Animalia
Phylum Annelida
Class Polychaeta
Order Amphinomida
Family Euphrosinidae
Genus Euphrosine
Species Euphrosine armadillo

Status in World Register of Marine Species

Accepted name: Euphrosine armadillo Sars, 1851

Scientific synonyms and common names

Euphrosyne armadillo M. Sars, 1851
Euphrosine lanceolata McIntosh, 1876
Euphrosine armadillo Hartmann-Schröder, 1985

George, J.D. & G. Hartmann-Schröder, 1985. Polychaetes: British Amphinomida, Spintherida and Eunicida. Synopses of the British Fauna (NS), 32: 1-221.

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

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