A team of scientists recently named a newly discovered ancient predator from the Mid-Cambrian era, about 500 million years ago. The lobster-like creature was an early arthropod with large frontal appendages it used to hunt and ingest its prey. In a paper published in the journal, Palaeontoly, co-author Robert Gaines, a paleontologist who teaches at Pomona College, called the creature Yawunik kootenayi.