`Tully monster` mystery is far from solved, group argues
(PHYSorg.com Archaeology & Fossils)

Last year, headlines in The New York Times, The Atlantic, Scientific American and other outlets declared that a decades-old paleontological mystery had been solved. The `Tully monster,` an ancient animal that had long defied classification, was in fact a vertebrate, two groups of scientists claimed. Specifically, it seemed to be a type of fish called a lamprey.