1. "Oesophagostomum " is part of the phylum Nematoda . 2. Soon, Nematoda sends its three newest and most powerful robots after Zeorymer. 3. After the theft, he had killed the Nematoda president and taken his place. 4. In 1861, K . M . Diesing treated the group as order Nematoda . 5. The Nematoda or roundworms, are perhaps the second largest animal phylum, and are also invertebrates. 6. Several genera of Nematoda were named in the honour of Chabaud, including " Chabaudacuaria" 7. Many species of Nematoda were named in the honour of Chabaud and include : " Africana chabaudi" 8. There are two new species of Nematoda : " Crocodolrylaimus thermalis " and " Neoactinolaimus tepidus ". 9. These include Cestoda ( tapeworms ), Acanthocephala ( thorny headed worms ), Nematoda ( roundworms ), Digenea and Spirurida. 10. Their closest relatives are thought to be the Panarthropoda, Nematoda and Nematomorpha; they are thus placed in the group Ecdysozoa.