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Showing 1 - 20 of 21 results

  1. Prostoma Dugès, 1828

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

  2. Prostoma graecense (Böhmig, 1892)

    Species, Ribbon worm (Nemertea), Freshwater, terrestrial

  3. Prostoma jenningsi Gibson & Young, 1971 – Freshwater nemertean

    Species, Ribbon worm (Nemertea), Freshwater, terrestrial

    Jennings's Ribbon-worm

  4. Tetrastemma Ehrenberg, 1831

    Genus, Ribbon worm (Nemertea), Marine

  5. Tetrastemma ambiguum Riches, 1893

    Species, Ribbon worm (Nemertea), Marine

  6. Tetrastemma angulatus Senz, 1993

    Species, Ribbon worm (Nemertea), Marine

  7. Tetrastemma beaumonti (Southern, 1913)

    Species, Ribbon worm (Nemertea), Marine

  8. Tetrastemma candidum (Müller, 1774)

    Species, Ribbon worm (Nemertea), Marine

  9. Tetrastemma cephalophorum Bürger, 1895

    Species, Ribbon worm (Nemertea), Marine

  10. Tetrastemma coronatum (Quatrefages, 1846)

    Species, Ribbon worm (Nemertea), Marine

  11. Tetrastemma flavidum Ehrenberg, 1828

    Species, Ribbon worm (Nemertea), Marine

  12. Tetrastemma fozensis Gibson & Junoy, 1991

    Species, Ribbon worm (Nemertea), Marine

  13. Tetrastemma helvolum Bürger, 1895

    Species, Ribbon worm (Nemertea), Marine

  14. Tetrastemma herouardi (Oxner, 1908)

    Species, Ribbon worm (Nemertea), Marine

  15. Tetrastemma kirsteueri Senz, 1995

    Species, Ribbon worm (Nemertea), Marine

  16. Tetrastemma longissimum Bürger, 1895

    Species, Ribbon worm (Nemertea), Marine

  17. Tetrastemma melanocephalum (Johnston, 1837)

    Species, Ribbon worm (Nemertea), Marine

  18. Tetrastemma peltatum Bürger, 1895

    Species, Ribbon worm (Nemertea), Marine

  19. Tetrastemma quatrefagesi (Bürger, 1904)

    Species, Ribbon worm (Nemertea), Marine

  20. Tetrastemma robertianae McIntosh, 1874

    Species, Ribbon worm (Nemertea), Marine