life see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   crustaceomorphs see [unranked] Crustaceomorpha Chernyshev, 1960
     Eucrustacea Kingsley, 1894
       Remipedia see Class Remipedia Yager, 1981
         1 Nectiopoda see Order Nectiopoda Schram, 1986
         2 Genus †Tesnusocaris Brooks, 1955