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]

chiloeense Demoulin 1955 [Deleatidium] --

 diguillinum Demoulin 1955 [Deleatidium] --/

 illapeli Demoulin 1955 [Deleatidium]

inflata Pescador & Peters 1986 [Meridialaris]

laminatum Ulmer 1919 [Deleatidium] typus nominis Meridialaris

lestagei Ulmer 1938 [Atalophlebioides]

 patagonica Lestage 1931 [Atalophlebia]

 penai Demoulin 1955 [Deleatidium]

 spina Pescador & Peters 1986 [Meridialaris]

tintinnabula Pescador & Peters 1987 [Meridialaris  --/


Examined also:

sp. (Argentina) ?


See also:

Atalophlebolinguata INCERTAE SEDIS

Leptophlebia/fg1 INCERTAE SEDIS