Order Flosculariacae Harring 1913 Floscularida 



Order Collothecacae Harring 1913 Collothecida 



Phylum Gastrotricha Metchnickof 1865 Gastrotricha 



Order Macrodasyoidea Zelinka 1889 Macrodasida 



Order Chaetonotoidea Zelinka 1883 Chaetonotida 



Phylum Echinodera Zelinka 1928 (Kinorhyncha Dujardin 1851) Echinodera 



Phylum Nematomorpha Potts 1908 Nematomorpha 



Class Gordididea Orthepp 1 924 Gordididea 



Class Nectonematoidea Rauther 1930 Nectonematoidea 



Phylum Nematoda Rudolphi 1808 -. Nematoda 



Class Phasmidia Chitwood & Chitwood 1933 Phasmidea 



Order Rhabditida Chitwood 1933 Rhabditida 



Suborder Rhabditata Chitwood 1933 Rhabditina 



Suborder Ascaridata Skrjabin 1915 Ascaridina 



Suborder Strongylata Railliet & Henry 1913 Strongylina 



Order Spirurida Chitwood 1933 Spirurida 



Suborder Spirurata Railliet & Henry Spirurina 



Suborder Camallanata Chitwood 1936 Cammallanina 



Class Aphasmidia Chitwood & Chitwood 1933 Aphasmidea 



Order Enoplata Chitwood 1933 Enoplida 



Suborder Enoplata Filipjev 1929 Enoplina 



Suborder Dorylaimata Chitwood 1933 Dorylaimina 



Suborder Dioctophymata Skrjabin 1923 Dictophymatina 



Order Chromadorida Chitwood 1933 Chromadorida 



Suborder Monohysterata Filipjev 1929 Monohysterina 



Suborder Desmoscolecata Filipjev 1929 Desmoscolecina 



Suborder Chromadorata Filipjev 1929 Chromadorina 



Phylum Tardigrada Spallanzani 1776 Tardigrada 



Class Heterotardigrada Marcus 1927 Heterotardigradea 



Order Arthrotardigrada Marcus 1927 Arthrotardigradida 



Order Echiniscoidea Richters 1926 Echiniscida 



Class Eutardigrada Richters 1926 Eutardigradea 



Phylum Chaetognatha Leuckart 1854 Chaetognatha 



Phylum Bryozoa Ehrenberg 1831 Bryozoa 



Class Entoprocta Nitsche 1869 Entoproctea 



Class Ectoprocta Nitsche 1869 Ectoproctea 



Subclass Gymnolaemata Allman 1856 Gymnolaemia 



Order Cyclostomata Busk 1852 Cyclostomida 



Suborder Tubipora Hagenow 1851 Tubiporina 



Suborder Cerioporina Hagenow 1851 Cerioporina 



Suborder Ceramoporoidea Bassler 1913 Ceramoporina 



Suborder Hedrelloidea Bassler 1934 Hedrellina 



Order Trepostomata Ulrich 1883 Trepostomida 



Order Cryptostomata Vine 1883 Cryptostomida 



Order Ctenostoma Busk 1852 Ctenostomida 



Order Cyclostomata Busk 1852 Cyclostomida 



Suborder Anasca Levinsen 1909 Anascina 



Suborder Ascophora Levinsen 1909 Ascophorina 



Subclass Phylactolaemata Allman 1856 Phylactolaemia 



Phylum Brachiopoda Cuvier 1802 Brachiopoda 



Order Palaeotremata Thompson 1927 Palaeotrematida 



Order Atremata Beecher 1891 Atrematida 



Order Neotremata Beecher 1891 Neotrematida 



[9] 



