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Acrasidae

The family Acrasidae ( ICZN, or Acrasiomycota, ICBN) is a family of slime molds which belongs to the protist group Percolozoa. The name acrasio- comes from the Greek Akrasia, meaning "acting against one's judgement". This group consists of cellular slime molds.

Some would also consider it as a kingdom unto itself, but the debate is as yet unsettled.

The terms "Acrasiomycota" or "Acrasiomycetes" have been used when the group was believed to be a fungus ("-mycota"). In some classifications, Dictyostelium was placed in Acrasiomycetes, an artificial group of cellular slime molds, which was characterized by the aggregation of individual amoebae into a multicellular fruiting body, making it an important factor that related the acrasids to the dictyostelids.