S>32 



OLIGOCHAETA 



Peloscolex is necessarily left out of consideration, as we do not know enough 

 about it. 



Psammorycte 

 Hemitubifex 



Limnodrilut 



LopJtoclaeta 



Sjtiroiperma 



Lumbriculidae 



Bolhrionfttron 



Brunchiura 



BetptTodriliu 



Telmatodiiltta 



llyudrilm 



Kaidomorplia 



I'/treudiilui 



