Anomalocaris

The Anomalocaris is a stand-alone fossil that can be donated to the museum in.

Real-world information
From shortly after the Cambrian explosion, Anomalocaris is believed to be one of the earliest apex predators. It reached up to a meter in length, making it one of the largest animals of the time. They are classified as radiodonts, which are believed to be close relatives of arthropods.