“They had fins in various places, they had funny dangly bits around their mouths,” Riddle told reporters. “They were all bottom dwellers so they were all evolved in different ways to live down on the sea bed in the dark. So many of them had very large eyes — very strange looking fish.”

Previously on planet Earth:

“Five slightly longer reddish tubes start from inner angles of starfish-shaped head and end in saclike swellings of same color which, upon pressure, open to bell-shaped orifices two inches maximum diameter and lined with sharp, white tooth like projections – probably mouths. All these tubes, cilia, and points of starfish head, found folded tightly down; tubes and points clinging to bulbous neck and torso. Flexibility surprising despite vast toughness.”