| author | date | title | journal / publication | Gureeva MA, Mamkaev YuV | 1989 | Embryonic development of Oxyposthia praedator (Turbellaria, Acoela): implications for the problem of the primitiveness of the Acoela. In: Morphology of turbellarians. [In Russian] | Akad Nauk USSR Trudy Zool 195: 3-13 |
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