bdelloid rotifers with 4 nuclei in the vitellarium most bdelloid rotifers have a vitellarium with 8 nuclei, but there are exceptions. Up to now the following species have been found to have 4 nuclei in the vitellarium: Adineta       Adineta gracilis Adineta gracilis Adineta gracilis Adineta gracilis   Rotaria Rotaria tridens     Rotaria tridens     Rotaria tridens     Rotaria tridens   Scepanotrocha Scepanotrocha semitecta     Scepanotrocha semitecta     Scepanotrocha semitecta     Scepanotrocha semitecta Scepanotrocha rubra Scepanotrocha rubra Scepanotrocha rubra Scepanotrocha rubra
freshwater life procaryota algae plants protists "worms" molluscs arthropods marine life mediterranean tropical misc impresssum plingfactory