Heterocyemida

Cladus: Eukaryota
Supergroup: Opisthokonta
Regnum: Animalia
Subregnum: Eumetazoa
Cladus: Bilateria
Cladus: Nephrozoa
Cladus: Protostomia
Phylum: Dicyemida
Classis: not divided
Ordo: Heterocyemida
Familiae: Conocyemidae

Reference

Heterocyemida Report on ITIS