CLADOENDESIS OF EPHEMEROPTERA

CLADOENDESIS OF EPHEMEROPTERA
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Traverella/g1

(Panephemeroptera Euephemeroptera Euplectoptera Anteritorna Bidentiseta Furcatergaliae
Leptophlebia/fg1 Atalophleboadentata Atalophlebopectinata Atalophleboculata Atalophlebomaxillata Atalophlebolinguata
... Hagenulus/fg1 Hermanellandria Hermanellonota Hermanellognatha - Traverella/g1)

Nomen hierarchicum: Traverella/g1 [g:1948]

In circumscription fits:

— gen. Traverella Edmunds 1948: 141

— Traverella/g1 = subgenus Traverella: Kluge 2008: 397

Nominal taxon included: Zonda/g [g:1995]

References. Edmunds 1948: * *; – Kluge 2008: *

Autapomorphies of Traverella/g1.

(1) Each tergalius I–VI has both lamellae [see Leptophlebia/fg1 (10)] wide, roundish-triangular narrowing apically, with numerous long slender processes on entire margin; tergalius VII either has similar structure but diminished, or is absent (Allen 1973: Fig.19–22). Similar tergalial structure is found in some other non-related taxa (see Index of characters [1.3.23]).

Characters of Traverella/g1 of unclear phylogenetic status.

(2) Larval claw has prominent inner margin with several denticles, among which the distalmost is not larger than others [unlike related taxa – see Hermanellonota (3)].

Size. Fore wing length 6–10 mm.

Distribution. America (Nearctic and Neotropical Regions).

Nominal species in Traverella/g1:

albertanus McDunnough 1931 [Thraulus] — typus nominis Traverella ,,/,/