1. Peritreme without branches	other subgenera (see Kontschán, 2011)
Peritreme with finger-like branches	2
2. Isolated pygidial shield absent	M. multipennus
Isolated pygidial shield present	3
3. Dorsal and ventral shields with bulbiform setae	4
Dorsal and ventral shields without bulbiform setae	5
4. Dorsal shield with rough alveolae without microstructural reticular ornamentation, bulbiform seate big and flap-like, two half ring-form cavities in the central region of the dorsal shield	M. extremicus
Dorsal shield alveolae with microstructural reticular ornamentation, bulbiform setae smaller and distinct from each other, half ring-form cavities less pronounced	M. hilpertae
5. Dorsal setae smooth	6
Dorsal setae with hairs on their margins	9
6 Isolated pygidial shield with setae	8
Isolated pygidial shield without setae	7
7. Pygidal shield narrow, anterior horns absent	M. kaszabi
Pygdial shield hemispherical, anterior horn present	M. tanduk
8. No rows of setae along endopodal line, five pairs of sternal setae, cuticle posterior to genital shield between coxae III and IV without ornamentation, sub-marginal shield apically distinct form dorsal shield and marginal shield	M. vietnamensis
Rows of setae along the endopodal line, additional rows of paired setae at the posterior margin of the operculum, only St1 and St2 clearly distinguishable, cuticle posterior to genital shield between coxae III and IV with deep pit-like ornamentation, sub-marginal shield apically fused with marginal shield	M. derbyensis
9. Isolated pygidial shield with setae	M. shibai
Isolated pygidial shield without setae	10
10. Apical part of dorsal setae wide and bear short hairs	M. yoshidai
Dorsal setae needle-like with hairs on their margins	11
11 Alveolar ornamentation on the lateral part of the dorsal shield, genital shield of female with alveolar pattern	M. baloghi
Alveolar ornamentation on the whole dorsal shield, genital shield of female without pattern	M. hirschmanni