Palps not fused, an occipital flap present, tentacles and dorsal cirri indistinctly moniliform, ventral cirri ... [details]
Indian Ocean, South Africa, Natal Province, Tongaat Beach. [details]
Indian Ocean, South Africa, Natal Province, near Durban. [details]
The name of the genus, Pharyngeovalvata makes reference to the presence of a valve in the pharynx, formed by the ... [details]
The specific epithet natalensis makes reference to the type locality, the Natal Province (South Africa). [details]
The specific epithet nigropharyngea makes reference to the characteristic pharynx with a ring of black pigment ... [details]
In the original description the name of the species also appears incorrectly spelled as Syllis nigrophryngea. [details]
Western Indian Ocean, South Africa, Natal, Tongaat Beach (geocoordinates not provided, but estimated with gazetteer ... [details]
Western Indian Ocean, South Africa, Natal, near Durban, Tongaat Beach (approx. lat. -29.987211, long. 30.963764º) ... [details]
Day (1951) refers the collection of 2 specimens of Syllis nigropharyngea from Tongaat Beach, and one from Reunion ... [details]