Trochozoa


    • Lottia pelta
    • Lumbricidae
    • Lumbricidae
    • Lumbricidae
    • Macrobdella decora
    • Margaritifera margaritifera
    • Marionia
    • Mastigoteuthis magna
    • Megascolides australis
    • Melanoides tuberculatus
    • northern quahog
      Mercenaria mercenaria
    • Mesodon thyroidus
    • Micropilina arntzi
    • clams, snails, squids, and relatives
      Mollusca
    • Mossy Mopalia
      Mopalia muscosa