CLADOENDESIS OF EPHEMEROPTERA

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Ulmeritus/g2

(Panephemeroptera Euephemeroptera Euplectoptera Anteritorna Bidentiseta Furcatergaliae  
Leptophlebia/fg1 Atalophleboadentata Atalophlebopectinata Atalophleboculata Atalophlebomaxillata Atalophlebolinguata 
... Hagenulus/fg1 Ulmeritus/g1 - Ulmeritus/g2)

Nomen hierarchicum: Ulmeritus/g2 [g:1956] (sine Ulmeritoides)

In circumscription fits:

 subgen. Ulmeritus Traver 1959: 5

 gen. Ulmeritus: Dominguez 1991: 158


References. Traver 1959: ; Dominguez 1991: * * ; 1995: * *.


Autapomorphies of Ulmeritus/g2.

() Mouth apparatus of "Dilatognathus-type" (Kluge 2012) (see Index of characters [1.1.12]), with following modifications: 

? On labrum dorsal row of setae [see Ulmeritus/g1 (?)] is strongly shifted basally and interrupted medially.

? Mandible outer margin is strongly curved 

? Maxillary ?tusk is enlarged ...? (?) Palpiger is enlarged ...

? 3rd segment of maxillary palp enlarged

() Line of pectinate setae on tibia [see Ulmeritus/g1 ()] ...

Characters of Ulmeritus/g12 of unclear phylogenetic status. 

...

Plesiomorphies of Ulmeritus/g2.

...

Size. Fore wing length 912 mm.

Distribution. South America.


Nominal species in Ulmeritus/g2

balteatus Thew 1960 [Ulmeritus]

carbonelli Traver 1956 [Ulmeritus] typus nominis Ulmeritus /,

saopaulense Traver 1947 [Atalophlebioides]


Examined also:

sp. (Brazil) /;


See also:

Atalophlebolinguata INCERTAE SEDIS

Leptophlebia/fg1 INCERTAE SEDIS