Protococcidiorida is an order within the subclass Conoidasida of the phylum Apicomplexia. All members of this order are parasitic protozoa. The order was created by Kheisin in 1956. The species in this order infect annelids. There are five families and one additional genus (Sawayella) in this order.
Species taxanomy provided by GBIF Secretariat (2022). GBIF Backbone Taxonomy. Checklist dataset https://doi.org/10.15468/39omei accessed via GBIF.org on 2023-06-13; License: CC BY 4.0