| 1. | Also popular for some purposes have been sea urchins and ascidians.
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| 2. | "Lankesteria cystodytae " is an intestinal parasite of ascidians.
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| 3. | The following provides examples of equivalence groups studied in nematodes and ascidians.
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| 4. | It is up to 15 cm long and it feeds on ascidians.
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| 5. | Some ascidians that live on soft sediments are detritivores.
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| 6. | Ascidian larvae have a dorsal mouth, as one would expect from inversion.
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| 7. | It is an ascidian tunicate in the family Polyclinidae.
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| 8. | Similar diketopiperazines were isolated also from ascidians " Didemnum " sp.
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| 9. | Ascidians are characterized by a tough outer " tunic " made of the polysaccharide cellulose.
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| 10. | The use of vanabins and vanadium for oxygen transport in ascidians and tunicates is doubtful.
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