120 



L. BOUCK, D. THISTLE AND R. HUYS 



A 



24,25 



18,19,22,24 



6 a , 7 a , 8, 9, 12, 15 



1L 13,23,25 



4,20 



5,6 b , U, 16 



1,2, 3, T, 14, 17,21,22 



T.L. = 36 



CI. = 0.778 

 f-value = 138 



14 



14 



14,22 



10 



PERISSOCOPE 



biarticulatus I Archizausodes gen. nov. 



kirstenae 



cookorum 



septimus 



arenicolus 



sextus 



areolatus 



limigenus 



paranaguaens is 



shulenbergeri 



stammeri 



Mucropedia gen. nov. 



Zausodes 



Neozausodes gen. nov. 



B 



5, 6 D , 11 16 



4,20 



4,20 



14,22 



1,2,3,7°, 17,21 



f-value=118 



10 



arenicolus 



septimus 



sextus 



areolatus 



limigenus 



paranaguaens is 



shulenbergeri 



stammeri 



Fig. 33 Optimal trees depicting relationships between species of the Zausodes complex and the genus Perissocope. Numbers refer to apomorphic states of 

 characters listed in Table 2 [underlined numbers refer to convergences, superscript letters indicate multistate characters]. T.L. = tree-length; C.I. = 

 consistency index. 



