Checklist of Superfamily Heptagenioidea Needham, 1901 for Green River Formation (West USA, USA)
Class | Insecta Linnaeus, 1758 Insects, True insects | 188 552 755 | Families Genera Species | Taxom | Subclass | Pterygota Lang, 1888 Winged insects | 188 552 755 | Families Genera Species | Taxom | Infraclass | Palaeoptera Crampton, 1915 Ancient winged insects | 20 36 45 | Families Genera Species | Taxom | Superorder | Ephemeropteroidea Rohdendorf, 1968
| 8 13 11 | Families Genera Species | Taxom | Order | Ephemeroptera Hyatt & Arms, 1891 Mayflies, Mayflies Anglers Curse, Mayflies Greendrakes | 8 13 11 | Families Genera Species | Taxom | Suborder | Pisciforma McCafferty, 1991
| 3 8 7 | Families Genera Species | Taxom | Superfamily | Heptagenioidea Needham, 1901
| 2 4 4 | Families Genera Species | Taxom |
List of families for Green River Formation 2 Families width 4 Species
Genera for Green River Formation 4 Genera with 4 Species
Species list for Green River Formation 4 Species
Subnodes of Heptagenioidea with occurrences in Green River Formation
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