Ploima is an order of rotifers, microscopic invertebrates found in marine and freshwater habitats. Families According to the World Register of Marine Species, Ploima includes the following fifteen families: Asplanchnidae Brachionidae Dicranophoridae Epiphanidae Euchlanidae Gastropodidae Lecanidae Lepadellidae Lindiidae Mytilinidae Notommatidae Proalidae Synchaetidae Trichocercidae Trichotriidae References Protostome orders Monogononta