Photo of Vaderlimulus fossil horseshoe crab Courtesy: NM Museum of Natural History & Science.

From the press release:
Vaderlimulus - 245-Million-year-old Horseshoe Crab Fossil named after Star War’s Darth Vader

New Mexico Museum of Natural History & Science

Note: Representative image at left is often cropped for display purposes. Downloaded high-resolution images are not cropped.