''Heydornia'' is a genus of parasitic alveolates in the

phylum In biology, a phylum (; plural: phyla) is a level of classification or taxonomic rank below kingdom and above class. Traditionally, in botany the term division has been used instead of phylum, although the International Code of Nomenclature f ...

Apicomplexa.

History

This genus was created in 2016 by splitting canid-infecting species from '' Hammondia'' based on the molecular phylogenetic analysis.

Life cycle

The species in this genus have two vertebrate hosts in their life cycle: a canid (the definitive host) and prey species (the intermediate host). They are strictly heteroxenous.

References

Apicomplexa genera Conoidasida {{Apicomplexa-stub