Checklist for Superorder Ephemeropteroidea Rohdendorf, 1968
and region Cowlitz County (Washington, USA)
List of families for Cowlitz County
6 Families width 9 Species
Genera for Cowlitz County
12 Genera with 9 Species | Baetis Leach, 1923 | | 1 | Species | Taxom | | Caenis Stephens, 1907 | | 1 | Species | Taxom | Callibaetis Eaton, 1881 | Speckled Duns | 0 | Species | Taxom | Centroptilum Eaton, 1869 | | 0 | Species | Taxom | | Cloeon Leach, 1761 | | 1 | Species | Taxom | Epeorus Eaton, 1881 | | 0 | Species | Taxom | | Heptagenia Walsh, 1862 | | 2 | Species | Taxom | | Hexagenia Walsh, 1829 | Giant Mayflies | 1 | Species | Taxom | Leptophlebia Westwood, 1840 | | 0 | Species | Taxom | | Maccaffertium Bednarik, 1862 | | 2 | Species | Taxom | | Stenonema Traver, 1823 | | 1 | Species | Taxom | Tricorythodes Ulmer, 1920 | | 0 | Species | Taxom |
Species list for Cowlitz County
9 Species
Subnodes of Ephemeropteroidea with occurrences in Cowlitz County
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