Superregnum: Eukaryota
Cladus: Unikonta
Cladus: Opisthokonta
Cladus: Holozoa
Regnum: Animalia
Subregnum: Eumetazoa
Cladus: Bilateria
Cladus: Nephrozoa
Cladus: Protostomia
Cladus: Spiralia
Cladus: Lophotrochozoa
Phylum: Annelida
Classis: Polychaeta
Subclassis: Echiura
Ordo: Echiuroidea
Familia: Echiuridae
Subfamilia: Thalassematinae
Genus: Arhinchite
Species: A. arhynchite - A. californicus - A. hiscocki - A. inamoenus - A. pugettensis - A. rugosus
References
Tanaka, M.; Nishikawa, T. 2013: A new species of the genus Arhynchite (Annelida, Echiura) from sandy flats of Japan, previously referred to as Thalassema owstoni Ikeda, 1904. ZooKeys 312: 13-21. DOI: 10.3897/zookeys.312.5456 Reference page.
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