Polyacanthocephala

Cladus: Eukaryota
Supergroup: Opisthokonta
Regnum: Animalia
Subregnum: Eumetazoa
Cladus: Bilateria
Cladus: Nephrozoa
Cladus: Protostomia
Cladus: Spiralia
Cladus: Platyzoa
Phylum: Acanthocephala
Classis: Polyacanthocephala
Ordines (1): Polyacanthorhynchida

References

Amin, O.M. 1987: Key to the families and subfamilies of Acanthocephala with the erection of a new class (Polyacanthocephala) and a new order (Polyacanthorhynchida). Journal of parasitology, 73(6): 1216–1219. JSTOR
García-Varela, M.; Cummings, M.P.; Pérez-Ponce de León, G.; Gardner, S.L.; Laclette, J.P. 2002: Phylogenetic analysis based on 18S ribosomal RNA gene sequences supports the existence of class Polyacanthocephala (Acanthocephala). Molecular phylogenetics and evolution, 23(2): 288-292. doi: 10.1016/S1055-7903(02)00020-9 PDF