MoUuscoidea — Crustacea. 



8 



Cap. XXIII. 59.46 MoUuscoidea (Bracbiostoma). 

 Cap. XXIV. 59.47 Bryozoa. 



47 Bryozoa 



•1 Gymnolaemata 

 •2 Phylactolaemata 



47.3 Pterobranchia 

 .4 Entoprocta 



Phoronis v. 51.76. 



49 Tnnicata 

 .1 Ascidiae 

 •2 Copelatae 

 •3 Monascidiae 



Cap. XXV. 59.48 Brachiopoda. 



Cap. XXVI. 59.49 Tunicata. 



49.4 Synaseidiae 

 .5 Pyrosoma 



.6 Salpae 



.7 Doliolum 



Cap. XXVII. 59.5 ARTICULATA. 



Cap. XXVIII. 59.51 Vermes 



61 Vermes 



.1 Helmiathes, Parasiti ^ 



•2 Platyhekninthes 



.21 Cestodea 



•22 Trematodes 



,23 Turbellarii 



.24 Nemertini 



•3 Nematodes 



•31 Oordiacei 



•o3 Acanthocephali 



•3o Chaetognatbi 



•4 Annelida 



•5 Hirudinea 



(incl. Mesozoa, Trichoplax). 



61.6 Oligochaeta 

 .7 Polychaeta 

 .74 Gephyrea 

 .76 Pboronis 

 .78 Myzostomum 

 .8 Rotifera 

 .85 Ecbinoderes 

 .88 Gastrotricha 

 .89 Dinophilus 

 .9 Orthonectida 

 .96 Dicyemida 

 •99 Trichoplax, etc. 



Cap. XXIX. 59.52 AETHROPODA. 

 Cap. XXX. 59.53 Crustacea (incl. Fantopoda et Xiphosura). 



63 Crustacea 



•1 Entomostraca 



.16 Pantopoda 



.2 Pbyllopoda 



.23 Branchiopoda 



•24 Cladocera 



•3 Ostracoda 



•4 Copepoda 



•46 Parasita 



•6 Cirripedia 



•6 Malacostraca, Leptostraca 



•7 Arthrestraca 



•71 Amphipoda 



63.72 Isopoda 

 .8 Thoracostraca 

 .81 Cumacea 

 •82 Stomapoda 

 .83 Schizopoda 

 .84 Decapoda 

 .841 Macrura, Anomura 

 .842 Brachyura 

 .9 Gigantostraca 

 .91 Eurypterida 

 .92 Xiphosura 

 •93 Trilobita 



* Im allgemeinen. 



