Cladus: Eukaryota
Supergroup: Opisthokonta
Regnum: Animalia
Subregnum: Eumetazoa
Cladus: Bilateria
Cladus: Nephrozoa
Cladus: Protostomia
Cladus: Spiralia
Cladus: Platyzoa
Phylum: Acanthocephala
Classis: Palaeacanthocephala
Ordo: Echinorhynchida
Familiae (10): Arhythmacanthidae - Cavisomidae - Diplosentidae - Echinorhynchidae - Fessisentidae - Heteracanthocephalidae - Hypoechinorhynchidae - Illiosentidae - Pomphorhynchidae - Rhadinorhynchidae
[source: Catalogue of Life: 2011 Annual Checklist, minus (1) Polyacanthorhynchidae]
References
links
Echinorhynchida Report on ITIS
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