Anobothrus laubieri (Desbruyères, 1978)

Synonyms:
Melinnampharete laubieri (Desbruyères,1978)
Melythasides laubieri Desbruyères,1978

Distinguishing characteristics
15 thoracic segments with capillary chaetae.
3 pairs of branchiae in a transverse row.
2 and 8 thoracic unicigers with a glandular ridge, notopodia of 8 unicigers slightly elevated.

Species description
Body small. Prostomium without eye-spots. Three pairs of long, smooth branchiae in 2 contiguous groups; branchiae of each group in a transverse row with middle somewhat behind the others. Paleae long and fine, 10-12 on each side. 15 thoracic segments with notopodia with capillary chaetae. 12 thoracic and 12 abdominal uncinigerous segments. Two and 8 unicigerous thoracic segments with a glandular ridge across the dorsum, notopodia of 8 unicigerous thoracic segments slightly elevated. Pygidium without appendages. Tube – incrusted with mud and skeletons of planctonic foraminiferans.

Size
Up to 11 mm.

Color

Habitat
Deep water species, deeper than 2000 m.

Mobility

Feeding
Surface deposit feeder.
Facultative suspension feeder.

Life cycle

Distribution
European waters.