Large, long-stretched forms; front end with thick rhabdite borders, without eyes; position of pharynx varies; pharynx edge ciliated; female genital tract of simple construction; bursal organ in form of a seminal receptacle; paired germaria lying caudal; male copulatory organ with round bulb and stylet with funnel-shaped beginning.
Diagnosis for the valid (accepted) taxonomic name
Return to Promesostomidae Adenorhynchinae