Home|Search|Identify|Taxonomic tree|Quiz|About this site|Feedback
Developed by ETI BioInformatics
Characteristics, distribution and ecology
Taxonomische classification
Synonyms and common names
Literature references
Images, audio and video
Distribution map
Links to other Web sites

Southward, 1956

Description:
A small worm with up to 54 segments. The conical prostomium is fused with peristomium; with articulate antenna and two semicircular nuchal slits; eyes absent.
Anterior segments are gradually becoming broader, 6th-8th chaetiger being the broadest.
Notopodial postchaetal lobes on the first chaetiger very short, papilla-like becoming longer and finger-like until chaetiger 14, posteriorly becoming shorter and thinner.
Neuropodial postchaetal lobes papilla-like.
Chaetae are capillaries, notopodial chaetae slightly longer than neuropodial.
Two kinds of modified chaetae, starting at neuropodium 20-30: thick straight, pseudoarticulate capillaries and 3-5 short chaetae with fine subdistal prolongation.
Up to 13 pairs of leaf-like or lanceolate gills, starting at chaetiger 4.
Pygidium with two long and one short cirrus.

Size:
Up to 8 mm for 54 segments.

Colour:
Whitish with green gloss. Red gills. In alcohol rust-red.

Habitat:
Middle eulittoral to 70 m. In sand, mud and mixed bottoms.

Distribution:
North Pacific, North Atlantic, Mediterranean, North Sea to Baltic Sea (Rügen).

Aricidea minuta