Eric Walker added Phyllodocida to Polychaeta, and added Polychaeta to Annelida

Eric Walker added Opisthopora to Clitellata, and added Clitellata to Annelida

Eric Walker added Polychaeta and Clitellata to Annelida, and added Annelida to Animal phyla

Eric Walker added a number of topics to Animal phyla, and added Animal phyla to Animalia