Checklist for Superfamily Siphlonuroidea Ulmer, 1920 and region Walnut Creek (Contra Costa County, California, USA)
Class | Insecta Linnaeus, 1758 Insects, True insects | 97 226 247 | Families Genera Species | Taxom | Subclass | Pterygota Lang, 1888 Winged insects | 96 224 245 | Families Genera Species | Taxom | Infraclass | Palaeoptera Crampton, 1915 Ancient winged insects | 8 16 25 | Families Genera Species | Taxom | Superorder | Ephemeropteroidea Rohdendorf, 1968
| 4 7 7 | Families Genera Species | Taxom | Order | Ephemeroptera Hyatt & Arms, 1891 Mayflies, Mayflies Anglers Curse, Mayflies Greendrakes | 4 7 7 | Families Genera Species | Taxom | Suborder | Pisciforma McCafferty, 1991
| 3 6 7 | Families Genera Species | Taxom | Superfamily | Siphlonuroidea Ulmer, 1920
| 2 4 5 | Families Genera Species | Taxom |
List of families for Walnut Creek (Contra Costa County) 2 Families width 5 Species
Genera for Walnut Creek (Contra Costa County) 4 Genera with 5 Species
Species list for Walnut Creek (Contra Costa County) 5 Species
Subnodes of Siphlonuroidea with occurrences in Walnut Creek (Contra Costa County)
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