CLADOENDESIS OF EPHEMEROPTERA
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CLADOENDESIS OF EPHEMEROPTERA |
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Amurella
(Panephemeroptera
Euephemeroptera
Euplectoptera
Anteritorna
Bidentiseta
Furcatergaliae
Ephemerella/fg1Tricorythus/fg1Ephemerella/fg2Timpanoga/fg1Ephemerella/fg3
Hyrtanella/f1-Torleya/g1
- Amurella)
Nomen hierarchicum:
Amurella/g(1)
[g:1997]
In circumscription fits:
— subgen. Amurella Kluge 1997a: 235
— Amurella/g(1): Kluge 2004: 315
Nominal taxon included:
Penelomax/g [g:2008]
References. Tshernova 1952 (Ephemerella
gracilis): 
; – Kluge 1997a:
; – Kluge 2004: *
* 
*
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Autapomorphy of Amurella. (1) Larval abdominal terga have unpaired median projections on posterior margin (Tshernova 1952: Fig.82). In other Ephemerella/fg2 abdominal terga either have paired submedian projections, or lack projections [see Ephemerella/fg1 (19)]; unpaired projections are present also in some Tricorythus/fg1 and some other Ephemeroptera (see Index of characters [1.3.3]). Plesiomorphies of Amurella. Unlike Teloganopsis and Hyrtanella/f2=Crinitella/g1, hind wing without prominent costal projection and with Sc terminating near apex (as in all other Ephemerella/fg2). Unlike Uracanthella, maxilla retains biting structure with well-developed canines. |
Size. Fore wing length 5–10 mm.
Distribution. East Palaearctic and Nearctic.
Nominal species in Amurella/g(1):
gracilis Tshernova 1952 [Ephemerella]
— typus nominis Amurella 
,
/
/
/
septentrionalis McDunnough 1925 [Ephemerella]
— typus nominis Penelomax
See also:
Ephemerella/fg3 INCERTAE SEDIS
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