Showing 41 - 60 of 83 results
  1. Macrostomida

    Order, Flatworm (Turbellaria), Terrestrial

  2. Mazocraeidea

    Order, Monogenean, Marine

  3. Mermithida Hyman, 1951

    Order, Roundworm (Nematoda), Marine, terrestrial

  4. Monhysterida Filipjev, 1929

    Order, Roundworm (Nematoda), Marine, terrestrial

  5. Monopisthocotylea

    Order, Monogenean

  6. Monostilifera Brinkmann, 1917

    Order, Ribbon worm (Nemertea), Marine, terrestrial

  7. Myzostomida

    Order, Annelid, Marine

  8. Nectonematida

    Order, Hairworm (Nematomorpha), Marine

  9. Oligochaeta

    Order, Annelid, Marine, terrestrial

  10. Orbiniida

    Order, Annelid, Marine

  11. Phascolosomatida

    Order, Peanut worm (Sipuncula), Marine

  12. Phragmophora Tokioka, 1965

    Order, Arrow worm (Chaetognatha), Marine

  13. Phyllodocida Dales, 1962

    Order, Annelid, Marine, terrestrial

  14. Plagiorchiida

    Order, Trematode, Terrestrial

  15. Plectida Malakhov, 1982

    Order, Roundworm (Nematoda), Marine, terrestrial

  16. Polycladida Lang, 1884

    Order, Flatworm (Turbellaria), Marine, terrestrial

  17. Polystilifera Brinkmann, 1917

    Order, Ribbon worm (Nemertea), Marine

  18. Priapulomorpha Salvini-Plawen, 1974

    Order, Priapulid, Marine

  19. Prolecithophora

    Order, Flatworm (Turbellaria), Terrestrial

  20. Proseriata

    Order, Flatworm (Turbellaria), Terrestrial