CLADOENDESIS OF EPHEMEROPTERA

CLADOENDESIS OF EPHEMEROPTERA
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Ulmeritus/fg2

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

Nomen hierarchicum: Ulmeritus/fg2 [f:2020; 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/fg2.

() 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 ...

? 3^rd segment of maxillary palp enlarged

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

Characters of Ulmeritus/fg2 of unclear phylogenetic status.

...

Plesiomorphies of Ulmeritus/fg2.

...

Size. Fore wing length 9–12 mm.

Distribution. South America.

Nominal species in Ulmeritus/fg2:

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