CLADOENDESIS OF EPHEMEROPTERA |
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† Plesiomorphon Sharephemera/fg1
(Panephemeroptera Euephemeroptera Euplectoptera Posteritorna - Sharephemera/fg1)
Nomen hierarchicum: Sharephemera/fg1 [fg:202].
In circumscription fits:
— fam. Sharephemeridae Sinitshenkova 2002: 275
— gen. Sharephemera Sinitshenkova 2002: 275
Nominal taxa included:
References. Sinitshenkova 2002: .
Plesiomorphy of Sharephemera/fg1. On fore wing, vein CuA [terminated on tornoapical margin – see Posteritorna (1)] retains the triad consisted of CuA1, iCua and CuA2 (in contrast to Baetisca and Prosopistoma, whose CuA is non-branched). |
Size. Fore wing length 8–15 mm.
Distribution.
Nominal species in Sharephemera/fg1:
cubitalis Sinitshenkova 2002 [Sharephemera] — typus nominis Sharephemera
tungussica Sinitshenkova 2013 [Tunephemera] — typus nominis Tunephemera
zhangi Zhang & Zheng & Jarzembowski & Wang & Li & Engel 2022 [Jurassephemera] — typus nominis Jurassephemera