CLADOENDESIS OF EPHEMEROPTERA |
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Eatonica/g1
(Panephemeroptera
Euephemeroptera
Euplectoptera
Anteritorna
Bidentiseta
Furcatergaliae
Fimbriatotergaliae
Fossoriae
Ephemera/fg9
Hexagenia/fg1
- Eatonica/g1)
Nomen hierarchicum: Eatonica/g1 [g:1913] (incl. Litobrancha, Eatonigenia)
In circumscription fits:
— Eatonica/g1: Kluge 2004: 241
References. Kluge 2004: * * *
Autapomorphy of Eatonica/fg1. (1) In imago and subimago 1st segment of gonostylus ventrally with apical rounded projection, which projects distad of place of attachment of 2nd segment (McCafferty 1971a: Fig.7; 1971b: Fig.1C,2C; 1973: Fig.9–12). Character of Eatonica/fg1 of unclear phylogenetic status. (2) Larval flagellum of antenna without long setae, with short sparse setae only (unlike Hexagenia/fg2 and Ephemera/fg10). |
Size. Fore wing length 10–24 mm.
Distribution. Nearctic, Afrotropical an Oriental Regions.
The taxon Eatonica/fg1 is divided into: |