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The embryonic development of Daphnia galeata and D. hyalina (‘Cladocera’, Anomopoda, Daphniidae) has been investigated by observing living embryos removed from female brood pouches. The sequence of morphological changes was analysed, as was the time at which the activity of certain organs began. The timing of these events at 22 °C is documented for both species. These data were compared with similar...
The embryonic development of two ctenopods Sida crystallina and Diaphanosoma brachyurum has been investigated by observing living embryos removed from the female brood pouches. The sequence of morphological changes was analysed, as was the time at which the activity of certain organs began. The timing of these events at 21–22 °C is documented for both species. During embryogenesis four membranes are...
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