CLADOENDESIS OF EPHEMEROPTERA
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Plesiomorphon Baetopus/g2

(Panephemeroptera Euephemeroptera Euplectoptera Anteritorna pm.Tridentiseta  
Tetramerotarsata Liberevenata Turbanoculata
Anteropatellata Baetopus/g1 - pm.Baetopus/g2)

Nomen hierarchicum: Baetopus/g2 [g:1960] (sine Raptobaetopus) 

In circumscription fits:

— subgen. Baetopus: Tshernova & Kluge & Sinitshenkova & Belov 1986: 130

— gen. Baetopus: Müller-Liebenau 1978: 469

References. Müller-Liebenau 1978:

Characters of Baetopus/g2 of unclear phylogenetic status. 

(1) Prostheca of right mandible not bifid, i.e. without long process (Müller-Liebenau 1978: Abb. 9a).

(2) 2nd+3rd segment of labial palp [see Baetopus/g1 (1)] is widest near middle (resembling in shape asymmetrical lemon) ( Müller-Liebenau 1978: Abb. 11a).

Plesiomorphies of Baetopus/g2. Unlike Raptobaetopus, mouth apparatus is less specialized: labrum with incision and projection in it [see Turbanoculata (4)]; mandibles and maxillae are less specialized.

Size. Fore wing length 3–5 mm (see Tetramerotarsata).

Distribution. Holarctic.

Nominal species in Baetopus/g2

trishae Waltz 2002 [Baetopus]  

wartensis Keffermuller 1960 [Baetopus] — typus nominis Baetopus --/

Examined also:

sp.n. (Thailand)  -

See also:

Turbanoculata INCERTAE SEDIS