Doerjes 1968 Color confered by rhabdites and pigments. Brain insunken. Frontal organ weak. Mouth opening ventral. Anterior part with tubuluous organ. Testes and ovaries are paired. Germ-zone diffus. Female accessory organs are missing. Male opening subterminally at posterior end. Copulatory organ with long, stepped and ciliated antrum-tube, a small cylindrical penis-tube and a hugh seminal vesicle. Very many touch-sensilles. Type of genus and only species: Oxyposthia praedator Ivanov, 1952[From Dorjes J (1968): 88]
Diagnosis for the valid (accepted) taxonomic name
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