Molluscoidea — Orustacea. 



8 



Cap. XXIII. 59.46 Molluscoidea (Brachiostoma). 

 Cap. XXIV. 59.47 Bryozoa. 



47 Bryozoa 



•1 üymnolaeraata 

 •2 Phylactolaemata 



47.3 Pterobranchia 

 .4 Entoprocta 



Phoronis v. 51.76. 



49 Tunicata 

 •1 Ascidiae 

 •2 Copelatae 

 •3 Monascîdiae 



Cap. XXV. 59.48 Brachiopoda. 



Cap. XXVI. 59.49 Tunicata. 



49.4 Synascidiae 

 •5 Pyrosoma 



•6 Salpae 



• 7 Doliolum 



Cap. XXVII. 59.5 AETICULATA. 



Cap. XXVIII. 59.51 



51 Ver me s 



.1 Helminthes, Parasiti^ 



•2 Platyhelminthea 



•21 Cestodes 



•22 Trematodes 



•23 Turbellarii 



.24 Nemertini 



•3 Nematodes 



•31 Gordiacei 



.33 Acanthocephali 



•35 Chaetognathi 



.4 Annelida 



.5 Hirudinea 



Vermes (incl. Mesozoa, Trichopîa: 

 51.6 Oligochaeta 

 .7 Polychaeta 

 .74 Gephyrea 

 .76 Phoronis 

 .78 Myzostomum 

 .8 Rotifera 

 .86 Echinoderes 

 .88 Gastrotricha 

 .89 Dinophilus 

 •9 Orthonectida 

 .95 Dicyemida 

 .99 Trichoplax, etc. 



Cap. XXIX. 59.52 ARTHEOPODA. 

 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 Parasita 

 •5 Cirripedia 



•6 Malacostraca, Leptostiaca 



• 7 Arthrostraca 



• 71 Araphipoda 



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 



* Im allgemeinen. 



