Turbellarian taxonomic database
Dorjes J 1968 (citation)- p 99 definition, 2 species, P. cerebroepitheliata Dorjes type.
Definition Dörjes 1968, Fegley et al. 1984: Frontal glands not strongly developed. Unpaired ovary with
germinal zone located posterior to mouth. Paired testes. Male organ with ciliated antrum masculinum, with at
least one proximal gland ring. With or without epidermal pigment. Seminal vesicle and penis lacking. With
or without vagina and seminal bursa. Bursa without nozzle. Vagina, when present, a tissue connection
indistinct in sectioned material.