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

Langerhans, 1884

Body thin and thread-loke.
Prostomium rounded, broader than long, with four eyes with lenses in a trapezoid arrangement. Palps hardly visible dorsally. Median antenna a little longer than lateral ones. Lateral antennae thread-like and more than 3x as long as the prostomium. Nuchal epaulettes reach the first chaetiger.
Dorsal tentacular cirri longer than lateral antennae, not much longer than segment width, ventral a little shorter. Only first segment with dorsal cirri, as long as or a little shorter than dorsal tentacular cirri. All other parapodia without dorsal cirri.
Parapodia with two types of compound chaetae, one type with a tiny teeth and one larger tooth, and the second type with needle-shaped chaetae. Anterior parapodia with additionally 1-2 bidentate simple chaetae.
Pharynx slightly twisted. Trepan with 6-10 small teeth.

Body up to 15 mm long for 61 segments.

Greenish with more or less dark-red colouring.

From 0-5 m, between stones and shells.

North- and South Atlantic, Mediterranean, Irish Sea up to Skagerrak.

Procerastea nematodes