Anomalocalis plush from the Cumbrian Ancient Creatures series.
Anomalocaris
Cambrian is a predator animal that lives in the ocean and stands at the pinnacle of a small companion chain and has a body length of 19.7 - 78.7 inches (50 - 200 cm). Anomarocalis is the ancestor of a paratropod, the tentacles are considered a kind of shrimp, and the name Anomarokalis means "weird shrimp".
Marine Area Canada

(From Amazon.co.jp)