CLADOENDESIS OF EPHEMEROPTERA

CLADOENDESIS OF EPHEMEROPTERA
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Meridialaris

(Panephemeroptera Euephemeroptera Euplectoptera Anteritorna Bidentiseta Furcatergaliae
Leptophlebia/fg1 Atalophleboadentata Atalophlebopectinata Atalophleboculata Atalophlebomaxillata Atalophlebolinguata ... Meridialaris)

Nomen hierarchicum: Meridialaris/g(1) [g:1972]

In circumscription fits:

— gen. Meridialaris Peters & Edmunds 1972: 1405

References.

Autapomorphies of Meridialaris.

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Characters of Meridialaris of unclear phylogenetic status.

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Distal part of gonoduct is covered by cuticle both in imago and larva (the same in some other taxa – see Index of characters [1.3.60]).

Plesiomorphies of Meridialaris.

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In larva, imago and subimago patella-tibial suture is developed on middle and hind legs, being absent on fore legs only (see Index of characters [1.2.18], ibid. [2.2.82]).

Size. Fore wing length ?–? mm.

Distribution. Southern part of South America.

Nominal species in Meridialaris/g(1):

biobionicum Ulmer 1938 [Deleatidium]