Worms in cats and dogs: Our MKVG Guide Cats and dogs can pick up a range of worms including nematodes, cestodes and trematodes in Europe – lets break them down into their generic names. Intestinal worms Non-intestinal worms Roundworms (Toxocara canis & Toxocara Cati) Toxocara canis is a large intestinal nematode that can measure up…