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Showing 1 - 19 of 19 results

  1. Prostoma Dugès, 1828

    Genus, Ribbon worm (Nemertea), Freshwater, marine, terrestrial

  2. Tetrastemma Ehrenberg, 1831

    Genus, Ribbon worm (Nemertea), Marine

  3. Tetrastemma ambiguum Riches, 1893

    Species, Ribbon worm (Nemertea), Marine

  4. Tetrastemma angulatus Senz, 1993

    Species, Ribbon worm (Nemertea), Marine

  5. Tetrastemma beaumonti (Southern, 1913)

    Species, Ribbon worm (Nemertea), Marine

  6. Tetrastemma candidum (Müller, 1774)

    Species, Ribbon worm (Nemertea), Marine

  7. Tetrastemma cephalophorum Bürger, 1895

    Species, Ribbon worm (Nemertea), Marine

  8. Tetrastemma coronatum (Quatrefages, 1846)

    Species, Ribbon worm (Nemertea), Marine

  9. Tetrastemma flavidum Ehrenberg, 1828

    Species, Ribbon worm (Nemertea), Marine

  10. Tetrastemma fozensis Gibson & Junoy, 1991

    Species, Ribbon worm (Nemertea), Marine

  11. Tetrastemma helvolum Bürger, 1895

    Species, Ribbon worm (Nemertea), Marine

  12. Tetrastemma herouardi (Oxner, 1908)

    Species, Ribbon worm (Nemertea), Marine

  13. Tetrastemma kirsteueri Senz, 1995

    Species, Ribbon worm (Nemertea), Marine

  14. Tetrastemma longissimum Bürger, 1895

    Species, Ribbon worm (Nemertea), Marine

  15. Tetrastemma melanocephalum (Johnston, 1837)

    Species, Ribbon worm (Nemertea), Marine

  16. Tetrastemma peltatum Bürger, 1895

    Species, Ribbon worm (Nemertea), Marine

  17. Tetrastemma quatrefagesi (Bürger, 1904)

    Species, Ribbon worm (Nemertea), Marine

  18. Tetrastemma robertianae McIntosh, 1874

    Species, Ribbon worm (Nemertea), Marine

  19. Tetrastemma vermiculus (Quatrefages, 1846)

    Species, Ribbon worm (Nemertea), Marine

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