CLADOENDESIS OF EPHEMEROPTERA

ABC

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Timpanoga/fg3

(Panephemeroptera Euephemeroptera Euplectoptera Anteritorna Bidentiseta Furcatergaliae  
Ephemerella/fg1
Tricorythus/fg1Ephemerella/fg2  
Timpanoga/fg1
AttenellaTimpanoga/fg2 - Timpanoga/fg3)

Nomen hierarchicum: Timpanoga/fg3 [f:1984; g:1927] (sine Eurylophella; incl. Dannella)

In circumscription fits:

 gen. Timpanoga: McCafferty & Wang 1994a: 574

 tribus Timpanogini: McCafferty 2000: 158

 Timpanoga/fg3: Kluge 2004: 303


References. McCafferty & Wang 1994a (gen.): *; Kluge 2004: *


Autapomorphy of Timpanoga/fg3.

(1) Larval claws without denticles [see Ephemerella/fg1 (18)]. Non-unique apomorphy.

Plesiomorphies of Timpanoga/fg3. Unlike Eurylophella/g1, tergalius IV with distal margin obliquely truncate or incised [see Ephemerella/fg2 (2)], only partly covers tergalii behind it.

Size. Fore wing length 614 mm.

Distribution. Nearctic.


The taxon Timpanoga/fg3 is divided into:

1. plesiomorphon Dannella

2. Timpanoga/fg4