Murchisonelloidea
![](http://upload.wikimedia.org/wikipedia/commons/thumb/a/a2/Helminthope_psammobionta_dorsal_schematic.jpg/220px-Helminthope_psammobionta_dorsal_schematic.jpg)
Taxonavigation
[edit]Superregnum: Eukaryota
Cladus: Unikonta
Cladus: Opisthokonta
Cladus: Holozoa
Regnum: Animalia
Subregnum: Eumetazoa
Cladus: Bilateria
Cladus: Nephrozoa
Cladus: Protostomia
Cladus: Spiralia
Cladus: Lophotrochozoa
Phylum: Mollusca
Classis: Gastropoda
Subclassis: Heterobranchia
Infraclassis: "Lower Heterobranchia"
Superfamilia: Murchisonelloidea
Familiae (1 + 1†):
Murchisonellidae –
†Donaldinidae
Name
[edit]Murchisonelloidea Casey, 1904