Websterinereis Pettibone, 1971

Glasby, Christopher J., 2015, Nereididae (Annelida: Phyllodocida) of Lizard Island, Great Barrier Reef, Australia, Zootaxa 4019 (1), pp. 207-239 : 233

Websterinereis Pettibone, 1971

Websterinereis Pettibone, 1971: 19 –20.

Type-species. Nereis tridentata Pettibone, 1971 , by original designation.

Diagnosis. Frontal antennae present, 1 pair. Palpophore with transverse groove; palpostyles conical. Prostomium with entire anterior margin. Eyes present, 2 pairs. One apodous anterior segment, equal to or less than length of chaetiger 1 or greater than length of chaetiger 1. Tentacular cirri with distinct cirrophores. Jaws with dentate cutting edge. Maxillary ring of pharynx without paragnaths or papillae. Oral ring papillae present. Dorsal notopodial ligule present. Acicular process absent. Ventral notopodial ligule present. Dorsal cirrus simple, lacking basal cirrophore. Neuropodial postchaetal lobe present, at least on some anterior chaetigers. Ventral neuropodial ligule of anterior chaetigers present. Ventral cirri single. Notoaciculae absent from segments 1 and 2. Notochaetae are homogomph spinigers. Neuropodial dorsally heterogomph falcigers; blades serrated; fused falcigers present or absent. Neurochaetae ventrally heterogomph spinigers, heterogomph falcigers; blade lacking distinct tendon on terminal tooth. Anal cirri cirriform or conical.