CLADOENDESIS OF EPHEMEROPTERA
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Clypeocaenis/fg2

(Panephemeroptera Euephemeroptera Euplectoptera Anteritorna Bidentiseta Furcatergaliae  
Fimbriatotergaliae Caenotergaliae Caenoptera Caenis/f3=g1MadecocercusCaenis/f4=g2TillyardocercusCaenis/f5=g3  
Clypeocaenis/fg1 - Clypeocaenis/fg2)

Nomen hierarchicum: Clypeocaenis/fg2 [f:2013; g:1978] (sine Amercaenis; incl. Barnardara)

In circumscription fits:

— Clypeocaenis/g2: Kluge 2004: 290

References. Kluge 2004: * *

Autapomorphies of Clypeocaenis/g2.

(1) Maxillary palp [filtering – see Clypeocaenis/fg1 (1)] is 2-segmented, as its initial 2nd and 3rd segments are completely fused. Non-unique apomorphy (see Index of characters [1.1.42]); among Caenoptera the same in Brachycercus/f1=g3.

(2) Filtering setae on fore tibia and tarsus [see Clypeocaenis/fg1 (1)] are situated not only on inner, but also on dorsal (anterior) side.

Size. Fore wing length 2–5 mm.

Distribution. Asia and Africa.

The taxon Clypeocaenis/fg2 is divided into:

1. plesiomorphon Barnardara

2. Clypeocaenis/fg3