Genus Levinsenia Mesnil, 1897

Tauberia Strelzov, 1973 . Fide Melville (1979).

Periquesta Brito & Núñez, 2002 . Fide Giere et al. (2007).

Type Species. Aonides gracilis Tauber, 1879, designated by ICZN (Melville 1979) .

Description. Body threadlike, 16–30 mm long, 0.15–0.35 mm wide, sometimes with spiral or corkscrew shape.

Prostomium without median antenna; lateral, dorsal, and ventral ciliary patches present; terminal sensory organ or palpode present. Nuchal organs on peristomium. Four to seven prebranchial chaetigers, 4–22+ branchial pairs. Notopodial postchaetal lobes present; neuropodial postchaetal lobes absent. Capillary chaetae only in notopodia; neuropodia with capillary chaetae only in pre-branchial and branchial chaetigers, post-branchial chaetigers mixed, with capillary chaetae and apically curved acicular spines with fringe on convex side or with hooded apex. Pygidium tapered, with two anal cirri.