CLADOENDESIS OF EPHEMEROPTERA
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CLADOENDESIS OF EPHEMEROPTERA |
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Isonychia/fg2
(Panephemeroptera
Euephemeroptera
Euplectoptera
Anteritorna
Bidentiseta
Branchitergaliae
Eusetisura
Isonychia/fg1
- Isonychia/fg2)
Nomen hierarchicum: 
Isonychia/fg2 [f:1953; g:1871]
(sine Prionoides)
In circumscription fits:
— subgen. Isonychia: McCafferty 1989: 78
— Isonychia/fg2: Kluge 2004: 135
Synonym:
objective synonym of Isonychia/fg is Chirotonetes/g
[g:1881]
Nominal taxa included:
Jolia/g
[g:1881]
Eatonia/g
[g:1970] nom. praeocc.
References. Kondratieff & Woshell 1983:
* 
*
*; – 1984: *
* *;
– McCafferty 1989:
*; – Kluge 2004:
* *
* *;
– Tiunova & Kluge & Ishiwata 2004:
* *
* *.
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Autapomorphy of Isonychia/fg2. (1) Styliger is strongly shortened in median part, thus gonostyli pedestals are separated one from another nearly from their bases. As well as in Prionoides, gonostyli pedestals are long, each with ventral surface flat and dorsal surface semi-cylindrically projected (Tiunova & al., 2004: Fig.36-38). Plesiomorphies of Isonychia/fg2 (unlike Prionoides). Penis with straight lateral margins, without curved projections. Eggs are spherical. |
Size. Fore wing length 8–16 mm.
Distribution. Holarctic and Oriental Region; dominate in Nearctic and Eastern Palaearctic.
Nominal species in Isonychia/fg2:
albomanicatus Needham 1905 [Chirotonetes]
— syn.subj. bicolor [Palingenia]
arabica Al-Zubaidi & Braasch & Al-Kayatt 1987 [Isonychia]
arida Say 1839 [Baetis]
berneri
Kondratieff & Voshell 1984 [Isonychia]
bicolor Walker 1853 [Palingenia]
;
-
-
campestris McDunnough 1931 [Isonychia]
christina
Traver 1934 [Isonychia]
— syn.subj. bicolor [Palingenia]
circe Traver 1934 [Isonychia]
— syn.subj. bicolor [Palingenia]
concoloria Tiunova & Kluge & Ishiwata 2004 [Isonychia
(Isonychia)]
crassiuscula Tiunova & Kluge & Ishiwata 2004 [Isonychia
(Isonychia)]
--/
edmundsi Kondratieff & Voshell 1984 [Isonychia]
— syn.subj. sicca
[Baetis]
fattigi
Traver 1934 [Isonychia]
— syn.subj. bicolor [Palingenia]
ferruginea
Albarda 1878 [Isonychia]
— syn.subj. ignota [Baetis]
formosanus Ulmer 1912 [Chirotonetes]
fuscimarginata Qiang & Gong & Zhou 2024 [Isonychia]
grandis Ulmer
1913 [Chirotonetes]
guixiensis Wu & Gui 1992 [Isonychia]
hainanensis She & You 1988 [Isonychia]
— syn.subj. ignota [Baetis]
harperi Traver 1934 [Isonychia]
— syn.subj. bicolor [Palingenia]
ignota Walker 1853 [Baetis]
--/
intermedius
Eaton 1885 [Chirotonetes]
ivani Tiunova & Gorovaya 2010 [Isonychia]
japonicus
Ulmer 1920 [Chirotonetes]
,,/
khyberensis Ali 1970 [Eatonia]
kiangsinensis
Hsu 1936 [Isonychia]
latias Mu & Huang 2024 [Isonychia]
manca Eaton 1871 [Isonychia]
— syn.subj. sicca
[Baetis]
matilda
Traver 1934 [Isonychia]
— syn.subj. bicolor [Palingenia]
moyarensis Vasanth & Selvakumar & Subramanian & Babu
& Sivaramakrishnan 2019 [Isonychia]
pacoleta Traver 1932 [Isonychia]
— syn.subj. bicolor [Palingenia]
pictipes Traver 1934 [Isonychia]
— syn.subj. arida [Baetis]
radhae
Balasubramanian & Muthukatturaja (in Muthukatturaja &
Balasubramanian & Rathikumar & Sivaramakrishnan) 2021 [Isonychia
(Isonychia)]
roeselii Joly 1872 [Palingenia]
— typus nominis Jolia
— syn.subj. ignota [Baetis]
rufa McDunnough 1931 [Isonychia]
sadleri
Traver 1934 [Isonychia]
— syn.subj. bicolor [Palingenia]
sexpetala Tiunova & Kluge & Ishiwata 2004 [Isonychia
(Isonychia)]
/
sibirica Tiunova & Kluge & Ishiwata 2004 [Isonychia
(Isonychia) ussurica]
--/
sicca
Walsh 1862 [Baetis]
,
sinensis Wu & Gui & Shi 1992 [Isonychia]
— syn.subj.
guixiensis [Isonychia]
sinitshenkovae Tiunova & Kluge & Ishiwata 2004 [Isonychia
(Isonychia)
vshivkovae]
//
sumatranus Navás
1933 [Chirotonetes]
taishunensis Huang & Shen & Zhang & Cheng (in Huang
& Shen & Huang & Ye & Wu & al.) [Isonychia]
tolosana Joly 1870 [Palingenia]
— syn.obj. roeselii [Palingenia] — syn.subj. ignota [Baetis]
tusculanensis
Berner 1948 [Isonychia]
ussurica Bajkova 1970 [Isonychia] --/
velma Needham 1932 [Isonychia]
,
violacea Matsumura
1931 [Sparrea]
— syn.subj. japonicus [Chirotonetes]
vshivkovae
Tiunova & Kluge & Ishiwata 2004 [Isonychia (Isonychia)]
--/
winkleri Ulmer
1939 [Isonychia]
See also:
Isonychia spp.
Chirotonetes spp.
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