Ploima, Pseudotrocha üsttakımına bağlı bir hayvan takımıdır.[1]
Ploima takımına bağlı familyalar (2023):
- Asplanchnidae - Eckstein, 1883
- Birgeidae - Harring and Myers, 1924
- Brachionidae - Ehrenberg, 1838
- Clariaidae - Kutikova, Markevich and Spiridonov, 1990
- Dicranophoridae - Harring, 1913
- Epiphanidae - Harring, 1913
- Euchlanidae - Ehrenberg, 1838
- Gastropodidae - Harring, 1913
- Ituridae - Sudzuki, 1964
- Lecanidae - Remane, 1933
- Lepadellidae - Harring, 1913
- Lindiidae - Harring and Myers, 1924
- Microcodidae - Hudson and Gosse, 1886
- Mytilinidae - Harring, 1913
- Notommatidae - Hudson and Gosse, 1886
- Proalidae - Harring and Myers, 1924
- Scaridiidae - Manfredi, 1927
- Synchaetidae - Hudson and Gosse, 1886
- Tetrasiphonidae - Harring and Myers, 1924
- Trichocercidae - Harring, 1913
- Trichotriidae - Harring, 1913