Levinsen, 1883
Description:
Very small and short interstitial polychaeta of unknown affinities.
Prostomium fused to peristomium, with or without antennae or palps.
Peristomial portion limited to lips.
First segment with or without biramous or uniramous parapodia, usually without tentacular cirri.
Other parapodia biramous with an interramal cirrus. No aciculae. Chaetae compound or capillary. Dorsal and ventral cirri absent.
Pygidium with or without two cirri.
Pharynx eversible with a unique organ with intracellular skeletal elements (Nerillidae).
After: Fauchald and Rouse, 1997.
The following taxa of this family occur in the region:
Genus Bathychaetus
Genus Meganerilla
Genus Nerilla
Genus Nerillidium
Genus Paranerilla
Genus Thalassochaetus
Genus Troglochaetus
Bathychaetus heptapous
Meganerilla swedmarki
Nerilla antennata
Nerillidium gracile
Nerillidium marinum
Nerillidium troglochaetoides
Paranerilla limicola
Thalassochaetus palpifoliaceus
Troglochaetus beranecki