 Natura - nature | | Mundus Plinius - physical world | | Naturalia - natural bodies | | Biota | | Domain Eukaryota Chatton, 1925 - eukaryotes | | Unikonta | | Opisthokonta Cavalier-Smith, 1987 | | Holozoa | | Kingdom Animalia C. Linnaeus, 1758 - animals | | Epitheliozoa Ax, 1996 | | Eumetazoa Bütschli, 1910 - eumetazoans | | Bilateria Hatschek, 1888 - bilaterians | | Eubilateria Ax, 1987 | | Protostomia Grobben, 1908 | | Lophotrochozoa K.M. Halanych et al., 1995 - lophotrochozoans | | Spiralia - spiralians | | Trochozoa Beklemischev, 1944 - trochozoans | | Phylum Annelida Lamarck, 1809 - segmented worms |  Class Polychaeta Grube, 1850 - polychaetes |  Genus †Arkonips Farrell & Briggs, 2007 |  Genus †Biconulites Teilhard de Chardin, 1931 | | Genus †Bundenbachochaeta | | Genus †Burgessochaeta Conway Morris, 1979 | | Genus †Campylites Eichwald, 1856 | | Genus †Ebetallites Zebera, 1935 | | Genus †Eopolychaetus Ruedemann, 1901 | | Genus †Eotrophonia Ulrich, 1878 | | Genus †Epitrachys Ehlers, 1869 | | Genus †Haileyia Ruedemann, 1934 | | Genus †Hammatopsis Hadding, 1919 | | Genus †Hesionites | | Genus †Hirudopsis | | Genus †Insulicorypha | | Genus †Kadriorgaspis Hints, 2006 | | Genus †Khemisina | | Genus †Klakesia Ruedemann, 1934 | | Genus †Lecathylus | | Genus †Lercaritubus Flügel, Senowbari-Daryan & di Stefano, 1990 | | Genus †Lockportia | | Genus †Lumbricopsis | | Genus †Microtubus Flügel, 1964 | | Genus †Nawnites Roy, 1929 | | Genus †Oliveirania | | Genus †Peronochaeta Conway Morris, 1979 | | Genus †Pontobdellopsis Ruedemann, 1901 | | Genus †Propolynoe | | Genus †Ramesses Schram, 1979 | | Genus †Ruedemannella Howell, 1959 | | Genus †Sarcionata | | Genus †Schizoproboscina Jakvlev, 1939 | | Genus †Soris Schram, 1979 | | Genus †Stephanoscolex | | Genus †Stoma Hadding, 1919 | | Genus †Tosalorbis Katto, 1960 | | Genus †Tubulelloides Howell, 1949 | | Genus †Xanioprion Kielan-Jaworowska, 1962 | | Genus Hrabeiella Pizl & Chalupsky, 1984, incertae sedis | | Family Parergodrilidae Reisinger, 1960, incertae sedis | | Order Psammodrilida incertae sedis | | Order Scolecida | | Palpata G.W. Rouse & K. Fauchald, 1997 |
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