Leptoecia Chamberlin, 1919

Budaeva, Nataliya, 2012, Leptoecia midatlantica, a new species of the deep-sea quill-worms (Polychaeta: Onuphidae: Hyalinoeciinae) from the Mid-Atlantic Ridge, Zootaxa 3176, pp. 45-60 : 50

Genus Leptoecia Chamberlin, 1919

Leptoecia Chamberlin, 1919: 319 –323, pl. 36, figs. 1–6, pl. 37, figs. 1–8.— Kucheruk, 1978: 90.— Paxton, 1986: 30 –32, fig. 18.— Orensanz, 1990: 54 –55.

Paronuphis .— Hartman, 1964: 115 –117 (in part).— Hartman, 1965: 110 –111 (in part). Paraonuphis .— Kucheruk, 1977: 44 –45 (in part).

Parhyalinoecia Hartmann-Schröder, 1975: 65 –68, figs. 32–38.— Kucheruk, 1978: 89. Neonuphis Kucheruk, 1978: 93 –95, fig. 2.— Paxton, 1986: 32 –34, fig. 19.

Type species Leptoecia abyssorum Chamberlin, 1919: 320 , by original designation

Diagnosis. Frontal lips hemispherical, reduced or absent; subacicular hooks in median position; first pair of parapodia prolonged with auricular prechaetal lobes; two pairs of subulate ventral cirri; simple or pseudocompound falcigers on one or two pairs of anterior parapodia; anterior falcigers uni- or bidentate with blunt hoods; peristomial cirri absent; maxillae V absent; tubes secreted, quill-like, circular in cross-section or flattened dorsoventrally, with two longitudinal ribs.