CLADOENDESIS OF EPHEMEROPTERA
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Plesiomorphon Tricorythus/fg5

(Panephemeroptera Euephemeroptera Euplectoptera Anteritorna Bidentiseta Furcatergaliae  
Ephemerella/fg1 Pantricorythi Tricoryptera Afrotricorythi Tricorygnatha - pm.Tricorythus/fg5)

Nomen hierarchicum: Tricorythus/fg5 [f:1942; g:1868] (sine Ranorythus, Madecassorythus)

In circumscription fits:

— gen. Tricorythus: Oliarinony & Sartori & Elouard 2000: 377

— Tricorythus/fg5: Kluge 2004: 328

References. Barnard 1932: ; – Ulmer 1939: ; – Lestage 1942: ; – Crass 1947a: ; – Demoulin 1954d (Tricorythus + Neurocaenis): ; Demoulin 1970e (subfam.): ; – Kluge 2004: * * *; – Kluge 2010: * * * *

Plesiomorphies of Tricorythus/fg5

Unlike Madecassorythus/fg1, penis has no two pairs of processes (Kluge 2004: Fig.98:C, Kluge 2010: Fig.17-21, Fig.44-49, Fig. 68-69).

Unlike Sparsorythus, maxillary palp is present [see Tricorygnatha (1)] (Kluge 2004: Fig.97:A) (but absent in larvula - (Kluge 2010: Fig.33).

Size. Fore wing length 4–7 mm (see Tricoryptera). 

Distribution. Afrotropical Region.

Nominal species in Tricorythus/fg5:

discolor Burmeister 1839 [Oxycypha] ,//,/

furcifer Kluge 2016 [Tricorythus] --/

exophthalmus Kluge 2010 [Tricorythus] --

meenakshi Srinivasan & Sivaruban & Barathy & Isak 2022 [Tricorythus]

tener Kluge 2016 [Tricorythus] --/

tinctus Kimmins 1956 [Tricorythus] /,-

varicauda Pictet 1843 [Caenis] — typus nominis Tricorythus -- Savigny1817

Examined also:

sp.I (Uganda) ,

sp.N (Sudan)

sp.S (Mali)

sp.R (Cameroon, Rwanda)

See also:

Afrotricorythi INCERTAE SEDIS

Furcatergaliae INCERTAE SEDIS

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