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476 mayflies species
Caenis tardata
Callibaetis californicus
Callibaetis floridanus
Callibaetis montanus
Callibaetis pallidus
Camelobaetidius warreni
Campsurus decoloratus
Caudatella heterocaudata
Caudatella hystrix
Centroptilum alamance
Centroptilum album
Centroptilum bifurcatum
Centroptilum conturbatum
Centroptilum minor
Centroptilum victoriae
Cercobrachys cree
Cercobrachys lilliei
Cercobrachys serpentis
Cercobrachys winnebago
Cercobrachys etowah
Choroterpes albiannulata
Choroterpes basalis
Choroterpes inornata
Cinygma dimicki
Cinygma integrum
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