Family Haplopharyngidae Karling, 1965
Description
Pharynx simplex. Brain encapsulated, two ventro-lateral nerve cords. Ovary single, no accessory organs, female pore posterior to male; male with circle of hard straight stylets, some associated with a glandular accessory organ. Free-living, marine.
Type and only genus
Haplopharynx Meixner, 1938
Remarks
This small group of worms, long united with the Macrostomida, was discussed by Karling (1965) and later raised to ordinal rank. |
