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
Links to other Web sites

Friedrich, 1937

Body long and vermiform with 24-27 segments.
Prostomium broadly rounded, without eyes. Body scattered with small papillae. Palps club-shaped, not much longer than the prostomium.
Peristomium dorsally not visible, but laterally clearly separated from the 2nd segment.
4 pairs of thread-like gills on segments 2-5, clearly longer than the segment width.
Ventral chaetae from the 3rd segment, dorsal chaetae from the 5th segment. The anterior notopodia bear two capillary chaetae; anterior neuropodia with a single compound chaeta with a curved blade, some with a simple hook with a small lamella. Following neuropodia with two chaetae. (M. helgolandica-chaetae).
Interramal papillae present.
Pygidium posteriorly weakly incised with 1 ring of about 10 small papillae.

Up to 3.3 mm for 24-27 segments.

Preserved specimens whitish.

On sand, between 19 and 25 m.

Southern North Sea and Helgoland, Skagerrak.

Macrochaeta helgolandica