Checklist for Tribe Willowsiini Yoshii & Yayuk, 1989 and region California (West USA, USA)
Class | Entognatha Stummer-Traunfels, 1891 Entognathids | 24 72 169 | Families Genera Species | Taxom | Subclass | Ellipura Börner, 1910
| 19 63 120 | Families Genera Species | Taxom | Order | Collembola Lubbock, 1870 Collembolans, Snow flies, Springtail, Springtails | 16 58 115 | Families Genera Species | Taxom | Suborder | Entomobryomorpha Börner, 1913 Elongate-bodied Springtails | 6 26 58 | Families Genera Species | Taxom | Superfamily | Entomobryoidea Womersley, 1934
| 3 12 34 | Families Genera Species | Taxom | | Family | Entomobryidae Schäffer, 1896 Damp grain springtails, Entomobryid Springtails | 9 32 | Genera Species | Taxom | | Subfamily | Lepidocyrtinae Wahlgren, 1906
| 3 4 | Genera Species | Taxom | | Tribe | Willowsiini Yoshii & Yayuk, 1989
| 1 1 | Genus Species | Taxom |
Genera for California 1 Genera with 1 Species
Species list for California 1 Species
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