Scientific report on the Belgian Expedition to the Great Barrier Reef in 1967. Nematodes XIV. Prototricoma dherdei sp. nov. and Desmolorenzenia cooleni sp. nov. with a discussion of the genus Prototricoma Timm (Nematoda, Desmoscolecida)

Two new species are described: Desmolorenzenia cooleni sp. nov. characterized by the very small body length and by the head shape, with the extreme anterior border provided with six fine labial setae Prototricoma dherdei sp. nov. characterized by its habit, the head shape, anteriorly tapered to a narrow truncated end and by the shape of the spicules in males. The genus Prototricoma is discussed. A redescription is given of the type species Prototricoma longicauda .