CLADOENDESIS OF EPHEMEROPTERA
 zzz

A  B  C  D  E  F  G  H  I  J  K  L  M  N  O  P  Q  R  S  T  U  V  W  X  Y  Z 

Potamanthus/fg2

(Panephemeroptera Euephemeroptera Euplectoptera Anteritorna Bidentiseta Furcatergaliae  
Fimbriatotergaliae Potamanthus/fg1 - Potamanthus-fg2)

Nomen hierarchicum: Potamanthus/fg2 [f:1888; g:1843] (sine Rhoenanthus; incl. Anthopotamus)

In circumscription fits:

— gen. Potamanthus: Eaton 1871

— Potamanthus/fg2: Kluge 2004: 223

References. Eaton 1883–1888: *; – Needham & Traver & Hsu 1935: * *; – Edmunds & Jensen & Berner 1976: * *; – Kluge 2004: * * * *.

Autapomorphy of Potamanthus/fg2.

(1) Penis has a characteristic shape, similar in all representatives: each penis lobe has a stretched pointed apex and a flat lateral lobe.

Character of Potamanthus/fg2 of unclear phylogenetic status. 

(2) In larva on fore femur transverse row of setae [see Potamanthus/fg1 (3)] is not expressed or poorly expressed (unlike some Rhoenanthus/g1).

Plesiomorphy of Potamanthus/fg2. Imaginal and subimaginal paracercus is not shortened (unlike some Rhoenanthus/g1).

Size. Fore wing length 7–15 mm.

Distribution. Holarctic and Oriental Region.

The taxon Potamanthus/fg2 is divided into:

1. Potamanthus/fg3

2. Anthopotamus