Anomalocaris ("abnormal shrimp") is an extinct genus of anomalocaridid, a family of animals thought to be closely related to ancestral arthropods. Will discovers in Deeper the existence of Anomalocaris canadensis, one of the species of Anomalocaris. This species lived in Topsoil during the Cambrian era, reaching 3 meters in length and more than 70kg. They've been extinct for more than 500 millions years. However, they managed to survive somehow in an underground sea located in the Deeps.