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: Helicoidei
Superfamilia: Helicoidea
Familia: Thysanophoridae
Genus: Microphysula
Species: M. cookei – M. ingersollii
Name
Microphysula Cockerell & Pilsbry, 1926
Type Species: Helix ingersollii Bland, 1874
References
Cockerell, T.D.A., & H.A. Pilsbry. 1926. The land mollusks of the Republic of Panama and the Canal Zone. Proceedings of the Academy of Natural Sciences of Philadelphia 78: 117.
Pilsbry, H.A. 1940. Land Mollusca of North America (north of Mexico), 1(2). The Academy of Natural Sciences of Philadelphia, Monographs 3: 990.
Microphysula is a genus of air-breathing land snails, terrestrial pulmonate gastropod mollusks in the family Thysanophoridae.
Species
Species in the genus Microphysula include:
Microphysula cookei (Pilsbry, 1922) - Vancouver snail
Microphysula ingersolli (Bland, 1875) - spruce snail - type species
References
Cockerell, T.D.A., & H.A. Pilsbry. 1926. The land mollusks of the Republic of Panama and the Canal Zone. Proceedings of the Academy of Natural Sciences of Philadelphia 78: 117.
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