CLADOENDESIS OF EPHEMEROPTERA
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Plesiomorphon Coloburiscus/fg3

(Panephemeroptera Euephemeroptera Euplectoptera Anteritorna Bidentiseta Branchitergaliae  
Eusetisura Coloburiscus/fg1ColoburiscoidesColoburiscus/fg2Murphyella pm.Coloburiscus/fg3)

Nomen hierarchicum: Coloburiscus/fg3 [f:1963; g:1888] (sine Murphyella)

In circumscription fits:

— gen. Coloburiscus: Lestage 1935b: 357

— plesiomorphon Coloburiscus/fg3: Kluge 2004: 128

Synonym: objective synonym of Coloburiscus/fg is Coloburus/g [g:1868] nom. praecc.

References. Eaton 1899: ; – Phillips 1930: ; – 1931: ; – Lestage 1935a: ; – 1935b: ; – Kluge 2004: * * *.

Plesiomorphies of Coloburiscus/fg3 (unlike Murphyella). All tergalii I–VII [see Coloburiscus/fg1 (6)] are present (but unlike Coloburiscoides, fibrillose portions of all tergalii are completely lost). Paracercus is retained [being shortened – see Coloburiscus/fg2 (2)].

Size. Fore wing length 12–16 mm.

Distribution. New Zealand.

Nominal species in Coloburiscus/fg3:

 humeralis Walker 1853 [Palingenia]  — typus nominis Coloburiscus ,,

 remota Walker 1853 [Baetis]

 tonnoiri Lestage 1935 [Coloburiscus]

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