Polydora dinthwanyana Simon 2011

Status
Rare, Indigenous

Description
Small, 7.5 mm for 70 chaetigers. Prostomium rounded. Caruncle to end chaetiger 2. 2 pairs of eyes.
In alcohol yellow pigmentation on prostomium and first few chaetigers.
Modified spines of chaetiger 5 strongly curved, with flange that may appear tooth-like from some angles.
Hooded hooks start on chaetiger 7, approximately 6 per ramus; single, accompanied by fine companion chaeta last 3 chaetigers.
Branchiae start on chaetiger 7; from chaetiger 11 very long and tend to stick out prominently from the body, last 10 -11 segments abranchiate.
Pygidium small with yellow markings.

Distribution
South Africa: southeast coast (Type locality Haga Haga)

Ecology
Boring into the shells of abalone, Haliotis midae and turban shells, Turbo sarmaticus.