[organisms] see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Phylum Tardigrada Doyère, 1840 - tardigrades
     Order Heterotardigrada Marcus, 1927 see Class Heterotardigrada Marcus, 1927
       Family Halechiniscidae Thulin, 1928
         Genus Orzeliscus du Bois-Reymond Marcus, 1952
           1 Orzeliscus belopus du Bois-Reymond Marcus, 1952
           2 Orzeliscus septentrionalis Schulz, 1953 see Orzeliscus belopus du Bois-Reymond Marcus, 1952