Jakobids:

Malawimonas (freshwater, discoidal mitochondrial cristae, cysts with organic walls and a basal attachment pad)
Histiona (lorica without spine scales, posterior "sail" formed by right ventral cytoplasmic vane, tubular mitochondrial cristae)
Reclinomonas (lorica with spine scales, tubular mitochondrial cristae)

Retortamonas (larger, anoxic habitats, no mitochondria, multiple vanes on posterior flagellum)
Chilomastix (quadriflagellate, otherwise as for Retortamonas).

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