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: Euthyneura
Cohors: Tectipleura
Subcohors: Panpulmonata
SuperOrdo: Eupulmonata
Ordo: Stylommatophora
SubOrdo: Helicina
InfraOrdo: Pupilloidei
Superfamilia: Pupilloidea
Familia: Vertiginidae
Subfamily: Vertigininae
Genus: Nearctula
Species: N. dalliana – N. rowellii
Name
Nearctula Sterki, 1892
Type Species: Pupa californica Rowell, 1861 [=Nearctula rowellii]
References
Sterki, V. 1892. Preliminary list of North American Pupidae (North of Mexico). The Nautilus 6: 5
Roth, B. & P. S. Sadeghian. 2003. Checklist of the land snails and slugs of California. Santa Barbara Museum of Natural History Contributions in Science 3: 52.
Turgeon, D. D., J. F. J. Quinn, A. E. Bogan, E. V. Coan, F. G. Hochberg, W. G. Lyons, P. M. Mikkelsen, R. J. Neves, C. F. E. Roper, G. Rosenberg, B. Roth, A. Scheltema, F. G. Thompson, M. Vecchione & J. D. Williams. 1998. Common and scientific names of aquatic invertebrates from the United States and Canada: Mollusks, 2nd edition. American Fisheries Society, Special Publication 26: 289.
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