What is "arcticalymene"

Arcticalymene is a genus of trilobites found in Silurian-aged marine strata of Arctic Canada and Central Victoria, Australia. The Canadian species are named after each of the Sex Pistols: A. cooki ( Paul Cook), A. jonesi ( Steve Jones), A. matlocki ( Glen Matlock), A. rotteni ( Johnny Rotten) and A. viciousi ( Sid Vicious), all named by Adrian and Edgecombe in 1997.