CLADOENDESIS OF EPHEMEROPTERA

ABC

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Timpanoga/fg4

(Panephemeroptera Euephemeroptera Euplectoptera Anteritorna Bidentiseta Furcatergaliae  
Ephemerella/fg1
Tricorythus/fg1Ephemerella/fg2  
Timpanoga/fg1
AttenellaTimpanoga/fg2Euylophella/fg1Timpanoga/fg3 - Timpanoga/fg4)

Nomen hierarchicum: Timpanoga/fg4 [f:1984; g:1927] (sine Dannella)

In circumscription fits:

subgen. Timpanoga Needham 1927: 115

gen. Timpanoga: Demoulin 1954e: 324

Timpanoga/fg4: Kluge 2004: 303


References. Edmunds 1959: ; Allen & Edmunds 1959: ; Edmunds & Jensen & Berner 1976: ; McCafferty & Wang 1994a (subgen.): ; Kluge 2004:


Autapomorphies of Timpanoga/fg4.

(1) Larval frons anteriorly forms a shield, which is widened anteriorly and covers from above clypeus and mouthparts.

(2) In larva each femur apically with a spine-like projection.

Size. Fore wing length 1214 mm. 

Distribution. Western Nearctic


Nominal species in Timpanoga/fg4: 1 species 

hecuba Eaton 1884 [Ephemerella] typus nominis Timpanoga typus nominis Timpanoga

pacifica Allen & Edmunds 1959 [Ephemerella (Timpanoga) hecuba]


See also: 

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