CLADOENDESIS OF EPHEMEROPTERA
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INDEX OF SUPRA-SPECIES TAXA NAMES: I

 Ichthybotus/fg [f:1957; g:1899]

Ichthybotus/fg(1) < Fossoriae

Iguaira/g [g:2003] — ... < Turbanoculata

 Imprimata

 Indialis/g [g:1970]  

Indialis/g1 < Atalophlebolinguata

Indialis/g2

 Indobaetis/g [g:1982]

Indobaetis/g(1) < Baetungulata

 Indocloeon/g [g:1982]

Indocloeon/g1 < pm.Protopatellata

Indocloeon/g2 

Indoganodes/g [g:2014] — in pm. Ephemerellina/g(1)

 Insulibrachys/g [f:2008; g:1986] — in Brachycercus/f1=g3

 Intercloeon/g [g:1992] — in Similicloeon/g1

 Iron/g [g:1883]

Iron/g1 < Epeorus/fg3

Iron/g2

 Ironodes/g [g:1935]

Ironodes/g(1) < Epeorus/fg2

 Ironopsis/g [g:1935]

Ironopsis/g1 < Iron/g1

Ironopsis/g2

 Irpacaenis/g [g:1999] — in Caenis/f6=g4

 Isca/g [g:1951]

Isca/fg1 ... < Atalophlebolinguata

Isca/fg2 

 Isonychia/fg [f:1953; g:1871]

Isonychia/fg1 < Eusetisura

Isonychia/fg2

Isonychia/fg1 INCERTAE SEDIS

 Isothraulus/g [g:1979] — ... < Atalophlebolinguata

Iswaeon/g [2005] — ... < Turbanoculata