Dörjes, 1968 (citation): Colorless or lightly colored through incorporated pigments. Brain insunk. Frontal organ weak. Mouth ventral. Rhabdoids small, often unapparent, almost in longitudinal rows. Ovaries paired or unpaired. Testes paired. Bursa seminalis simple, without appendage or mouthpiece; at most an invaginated ductus spermaticus formed. Genital pores in 1 or multiples. Penis tubiform, fully or in part invaginated into a seminal vesicle.[From Dorjes J (1968)]
Notes from synonyms
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