Luke Parry tagged the fireworm - a marine relative of earthworms and leeches - Rollinschaeta myoplena in honor of the former Black Flag frontman as the organism was a "muscly beast."

Parry tells Phys.org: "Fossil muscle tissue is rare and usually not described in any detail by paleontologists, but our discovery highlights that soft tissues preserved in fossils can offer details approaching what we can observe in living organisms.