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Grube, 1862

Very common, widespread worms with long, cylindrical and slender bodies. Segments often bi-or triannulate, sometimes with strongly rugose epidermis.
Prostomium conical, without antennae or palps.
Peristomium limited to lips.
First segment longer than following segments, achaetous. Parapodia biramous, without aciculae. Thoracic parapodia with capillary chaetae. Abdominal neuropodia and notopodia both tori with single rows of multidentate hooded hooks. Tentacular, dorsal and ventral cirri absent. True gills absent.
Pygidium with or without a varying number of cirri.
Pharynx eversible, unarmed (Capitellidae).

After: Fauchald and Rouse, 1997 and Hayward and Ryland, 1990.

For identification to species level, jump to the Picture key: Page 226: Capitellidae

The following taxa of this family occur in the region:

Genus Baldia
Genus Capitella
Genus Dasybranchus
Genus Heteromastus
Genus Mediomastus
Genus Notomastus
Baldia johnstoni
Capitella capitata
Capitella giardi
Capitella minima
Dasybranchus caducus
Heteromastus filiformis
Mediomastus fragilis
Notomastus latericeus

Capitellids (Family Capitellidae)