Molluscoidea — Crustacea. 



9 



Cap. XXIII. 59.46 Molluscoidea (Bvacliiostoma). 

 Cap. XXIV. 59.47 Bryozoa. 



47 Bryozoa 



.1 Gymnolaemata 

 .2 Phylactolaemata 



49 Tunicata 

 .1 Aseidiae 

 .2 Copelatae 

 •3 Monascidiae 



47.3 Pterobranchia 

 .4 Entoprocta 



Phoronis v. 51.76. 



Cap. XXV. 59.48 Brachiopoda. 



Cap. XXVI. 59.49 Tunicata. 



49.4 Synascidiae 

 .5 Pyrosoma 

 .6 Salpae 

 .7 Doliolum 



Cap. XXVII. 59.5 ARTICULATA. 



Cap. XXVIII. 59.51 Vermes 



51 Vermes 



.1 Helminthes, Parasiti 1 



.2 Platyhelminthes 



.21 Cestodes 



.22 Trematodes 



.23 Turbellarii 



.24 Nemertini 



.3 Nematodes 



.31 Gordiacei 



.33 Acanthocephali 



.35 Chaetognathi 



.4 Annelida 



.5 Hirudinea 



(incl. Mesozoa, Trichoplax), 



51.6 Oligochaeta 

 .7 Polychaeta 

 .74 Gephyrea 

 .76 Phoronis 

 .78 Myzostomum 

 .8 Rotifera 

 .85 Echinoderes 

 .88 Gastrotricha 

 .89 Dinophilus 

 .9 Orthonectida 

 .95 Dicyemida 

 .99 Trichoplax, etc. 



Cap. XXIX. 59.52 ARTHROPODA. 

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



53 Crustacea 



.1 Entomostraca 



.15 Pantopoda 



.2 Phyllopoda 



.23 Branchiopoda 



.24 Cladocera 



.3 Ostracoda 



.4 Copepoda 



.45 Purasita 



.5 Cirripedia 



.6 Malacostraca, Leptostraca 



.7 Arthrostraca 



.71 Amphipoda 



53.72 Isopoda 

 .8 Thoracostraca 

 .81 Cumacea 

 .82 Stomapoda 

 .83 Schizopoda 

 .84 Decapoda 

 .841 Macrura, Anomura 

 .842 Brachyura 

 .9 Gigantostraca 

 .91 Eurypterida 

 .92 Xiphosura 

 .93 Trilobita 



Ira allgemeinen. 



