Phallus-shaped acorn worms resolve fossil mystery
Wednesday, March 13, 2013 - 15:33
in Paleontology & Archaeology
A beach-dwelling sea creature has stubbornly kept the same phallus-shaped form from the time of the trilobytes through the rise and fall of the dinosaurs to the present day, suggests a study that identifies a mystery fossil in the Canada's Burgess Shale.