380 Systematische Phylogenie der Echinodermen. 



§ 218. Stammbaum der Monorchonien. 



Dendrochirota 



Fsolida Cucumarida 



Psolus Actinocucumis 



Aspidochirota 



Sporadipoda 

 Trepang Mülleria 



Thuroidea 



StichOpoda 

 Stichopus 



Bhopalodinida 



Molpadonia 

 Caudinida 



Molpadida 



Pelagothuria 



\ Palaeothuria 



Synaptonia 



Synaptida \, 



Trochodotid 



\1 



Amphoridea 



Amphoronia 



Palaeocystida 



Aristo cystida 



Amphoralia 

 Anomocystida 



Archithuria 



Fentactaea 



Amphoraea 



Pelopatides 



Pseudostichopus 



Elasipoda 



Psychropotida 



Elpidida 



Cystoidea 



Uegaplacta 

 Glyptocystida 



Microplacta 



Agelacystida 



