Anomalocaridids seemed to lack front limbs, being an arthropod - being a joint-legged animal - and not having legs, it's kind of embarrassing.
Given the huge size of Aegirocassis and its very alien appearance, I assume most people would probably be terrified if they'd encounter it while swimming. However, contrary to almost all other anomalocaridids which were active predators, our animal would have been a very peaceful guy.
The discovery informs about the origins and early evolution of arthropods, the most ubiquitous, species-rich, morphologically diverse and successful animal group on Earth.
Joseph Cook
Robert Alden
Rita Wilson
Guy Clark
Gary Neville
Deron Williams
Joan Lindsay
Albert Pinkham Ryder
Henrietta Swan Leavitt
Henry Howarth Bashford
Tom Petty
Frank Luntz