Mysterious ancient sea-worm pegged as new genus after half-century in `wastebasket`
(PHYSorg.com Archaeology & Fossils)

When a partial fossil specimen of a primordial marine worm was unearthed in Utah in 1969, scientists had a tough go identifying it. Usually, such worms are recognized and categorized by the arrangement of little knobs on their plates. But in this case, the worm`s plates were oddly smooth, and important bits of the worm were missing altogether.