Order Aplacophora von Ihering 1877 

 Suborder Chaetodermatina Simroth 1893 

 Suborder Neomeniina Simroth 1893 

 Order Mesoplacophora Pilsbry 1892 

 Order Isoplacophora Cotton & Weeding 1939 

 Order Teleoplacophora Pilsbry 1892 

 Class Gastropoda Cuvier 1798 

 Subclass Prosobranchia Milne-Edwards 1848 



Order Archaeogastropoda Thiele 1925 (Aspidobranchia Pelseneer 1890) 

 Order Mesogastropoda Thiele 1925 



Order Neogastropoda Wenz 1938 (Stenoglossa Bouvier 1887) 

 Subclass Opisthobranchia Milne-Edwards 1846 

 Order Tectibranchia Cuvier 1812 (Pleurocoela Thiele 1931) 

 Order Pteropoda Cuvier 1804 



Suborder Thecosomata Blainville 1824 

 Suborder Gymnosomata Blainville 1824 

 Order Sacoglossa von Ihering 1876 

 Order Acoela Thiele 1931 



Suborder Notaspidea Fischer 1883 

 Suborder Nudibranchia Cuvier 1817 

 Subclass Pulmonata Cuvier 1817 

 Order Basommatophora A. Schmidt 1895 

 Order Stylommatophora A. Schmidt 1895 

 Class Scaphopoda Bronn 1862 

 Class Pelecypoda Goldfuss 1820 

 Subclass Prionodesmacea Dall 1889 

 Order Palaeoconcha Neumayr 1883 

 Order Taxodonta Neumayr 1883 

 Order Schizodonta Steinmann 1890 

 Order Dysodonta Neumayr 1883 

 Subclass Anomalodesmacea Dall 1889 

 Order Anomalobranchia Iredale 1939 

 Order Septibranchia Perrier 1897 

 Subclass Teleodesmacea Dall 1889 

 Order *Pantodonta Dall 1895 

 Order Diogenodonta Dall 1895 

 Order Cyclodonta Dall 1895 

 Order Teleodonta Dall 1895 

 Order Asthenodonta Dall 1895 

 Class Cephalopoda Cuvier 1798 

 Order Tetrabranchia Owen 1832 

 Suborder Nautiloidea Lamarck 1809 

 Suborder *Ammonitoidea Haan 1825 

 Order Dibranchia Owen 1832 



Suborder Vampyromorpha Robson 1929 

 Suborder Decapoda Leach 1817 

 Suborder Octopoda Hasselquist 1850 

 Phylum Chordata Haeckel 1874 

 Subphylum Tunicata Lamarck 1816 (Urochordata) 

 Class Ascidiacea Blainville 1825 

 Order Stolidobranchiata Lahille 1887 

 Order Aspiraculata Seeliger 1909 



[17] 



