Checklist for Subfamily Siphlonurinae Ulmer, 1920 and region Contra Costa County (California, USA)
Class | Insecta Linnaeus, 1758 Insects, True insects | 357 2134 3367 | Families Genera Species | Taxom | Subclass | Pterygota Lang, 1888 Winged insects | 356 2132 3365 | Families Genera Species | Taxom | Infraclass | Palaeoptera Crampton, 1915 Ancient winged insects | 19 51 88 | Families Genera Species | Taxom | Superorder | Ephemeropteroidea Rohdendorf, 1968
| 10 22 24 | Families Genera Species | Taxom | Order | Ephemeroptera Hyatt & Arms, 1891 Mayflies, Mayflies Anglers Curse, Mayflies Greendrakes | 10 22 24 | Families Genera Species | Taxom | Suborder | Pisciforma McCafferty, 1991
| 3 13 16 | Families Genera Species | Taxom | Superfamily | Siphlonuroidea Ulmer, 1920
| 2 7 10 | Families Genera Species | Taxom | | Family | Siphlonuridae Banks, 1900 Primitive Minnow Mayflies | 2 4 | Genera Species | Taxom | | Subfamily | Siphlonurinae Ulmer, 1920
| 2 4 | Genera Species | Taxom |
Genera for Contra Costa County 2 Genera with 4 Species
Species list for Contra Costa County 4 Species
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