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Superfamily Heptagenioidea

Phylum Arthropoda - Arthropods
Subphylum Hexapoda - Hexapods
Class Insecta - Insects
Order Ephemeroptera - Mayflies
Suborder Pisciforma
Superfamily Heptagenioidea

Family Arthropleidae - Flatheaded Mayflies
Genus Arthroplea
Species bipunctata - Arthroplea bipunctata
Family Heptageniidae - Flatheaded Mayflies
Genus Cinygma
Species dimicki - Cinygma dimicki
Species integrum - Cinygma integrum
Species lyriforme - Cinygma lyriforme
Genus Cinygmula
Species reticulata - Cinygmula reticulata
Species subaequalis - Cinygmula subaequalis
Genus Ecdyonurus
Species criddlei - Little Slate-Winged Dun
Genus Epeorus
Species albertae - Epeorus albertae
Species deceptivus - Epeorus deceptivus
Species dispar - Epeorus dispar
Species dulciana - Epeorus dulciana
Species fragilis - Epeorus fragilis
Species frisoni - Epeorus frisoni
Species longimanus - Epeorus longimanus
Species namatus - Epeorus namatus
Species permagnus - Epeorus permagnus
Species pleuralis - Epeorus pleuralis
Species punctatus - Epeorus punctatus
Species vitreus - Epeorus vitreus
Genus Heptagenia
Species culacantha - Heptagenia culacantha
Species elegantula - Heptagenia elegantula
Species flavescens - Heptagenia flavescens
Species marginalis - Heptagenia marginalis
Species pulla - Heptagenia pulla
Species solitaria - Heptagenia solitaria
Genus Ironodes
Species nitidus - Ironodes nitidus
Species lepidus - Ironodes lepidus
Genus Leucrocuta
Species aphrodite - Leucrocuta aphrodite
Species hebe - Leucrocuta hebe
Species jewetti - Leucrocuta jewetti
Species juno - Leucrocuta juno
Species maculipennis - Leucrocuta maculipennis
Species minerva - Leucrocuta minerva
Species petersi - Leucrocuta petersi
Species thetis - Leucrocuta thetis
Species umbratica - Leucrocuta umbratica
Species walshi - Leucrocuta walshi
Genus Maccaffertium
Species exiguum - Maccaffertium exiguum
Species ithaca - Maccaffertium ithaca
Species luteum - Maccaffertium luteum
Species mediopunctatum - Maccaffertium mediopunctatum
Subspecies arwini - Maccaffertium mediopunctatum arwini
Subspecies mediopunctatum - Maccaffertium mediopunctatum mediopunctatum
Species meririvulanum - Maccaffertium meririvulanum
Species mexicanum - Maccaffertium mexicanum
Subspecies integrum - Maccaffertium mexicanum integrum
Species modestum - Maccaffertium modestum
Species pudicum - Maccaffertium pudicum
Species pulchellum - Maccaffertium pulchellum
Species smithae - Maccaffertium smithae
Species terminatum - Maccaffertium terminatum
Subspecies placitum - Maccaffertium terminatum placitum
Subspecies terminatum - Maccaffertium terminatum terminatum
Species vicarium - Maccaffertium vicarium
Genus Macdunnoa
Genus Nixe
Species rusticalis - Nixe rusticalis
Species lucidipennis - Nixe lucidipennis
Species inconspicua - Nixe inconspicua
Genus Raptoheptagenia
Species cruentata - Raptoheptagenia cruentata
Genus Rhithrogena
Species anomala - Rhithrogena anomala
Species brunneotincta - Rhithrogena brunneotincta
Species flavianula - Rhithrogena flavianula
Species hageni - Rhithrogena hageni
Species impersonata - Rhithrogena impersonata
Genus Spinadis
Species simplex - Spinadis simplex
Genus Stenacron
Species candidum - Stenacron candidum
Species carolina - Stenacron carolina
Species floridense - Stenacron floridense
Species gildersleevei - Stenacron gildersleevei
No Taxon interpunctatum complex
Species interpunctatum - Stenacron interpunctatum
Species minnetonka - Stenacron minnetonka
Species pallidum - Stenacron pallidum
Genus Stenonema
Species femoratum - Stenonema femoratum
Family Isonychiidae - Brushlegged Mayflies
Genus Isonychia
Species arida - Isonychia arida
Species bicolor - Isonychia bicolor
Species campestris - Isonychia campestris
Species georgiae - Isonychia georgiae
Species intermedia - Isonychia intermedia
Species obscura - Isonychia obscura
Species rufa - Isonychia rufa
Species sicca - Isonychia sicca
Species tusculanensis - Isonychia tusculanensis
Species velma - Isonychia velma
Family Oligoneuriidae - Brushleg Mayflies
Genus Homoeoneuria
Species alleni - Homoeoneuria alleni
Family Pseudironidae - Crabwalker Mayflies
Genus Pseudiron
Species centralis - Pseudiron centralis