Fusionidae is a family of the superfamily Fusionicae in the phylum Apicomplexa
There is one genus - Fusiona - in this family.
This family was created in 1965 by Stejskal.[1]
Species in this family are homoxenous.
Gametocytes - not described
Spores - not described
Both gamonts and trophozoites are septate. The gamonts are morphologically different (anisogamous).
Sexual reproduction involves a cephalocaudal association. During syzygy the nucleus and entrocyte of the satellite move to the primite where they fuse.