On July 7, BBC News reported the rare discovery of a fossilized sea worm, classified as a hemichordate, a sophisticated invertebrate. Evolutionists are excited because this find supposedly provides insight into early evolution. And some evolutionists even see this worm—called Oesia—as a half-billion-year-old ancestor of man.¹

Mark Carnall at the Oxford University Museum of Natural History recently wrote an article for the UK newspaper The Guardian. He argues that we should stop using the term "living fossil."1 What does his argument reveal about evolutionary thinking?