Tornaria „, . 36 



VERMES 36-40 



Acanthocotyle . 37 



Calicotyle 37 



Dendrocoelia 37 



Distomum 37 



Eury lepta 37 



Pseudoceros 37 



Rhabdocoelia 37 



Tristomum 37 



Nemertinae 37,38 



Amphiporus 37 



Carinella 37 



Cerebratulus margina bus 37 



Dr epanophorus 37 



Langlia 37 



Nemertes 37 



Pilidium ( larvae) 38 



Polia 37 



CHAETOGNATHA 38,39 



Bonellia 38 



Branchellion 38 



Chaetopoda 38 



Echiurus ( larvae ) 38 



Gephyrea 38 



Hirudinei 38 



Phascolosoma 38 



Phoronis 38 



Pontobdella 38 



Sipunculus 38 



ANNELIDA 39,40 



Alciopidae 40 



Amphectenidae 40 



Amphinomidae 39 



Aphroditidae 39 40 



Ariciidae 39 



Capitellidae 39 



Chaetopteridae 39 



Chlorhaemidae 39 



Cirratulidae 39 



Diopatra 40 



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