Penis-shaped fossils from Canadian Rockies solve century-old mystery
Weird tubes weren't algae, but huge structures built by little acorn worm
Paleontologists have finally identified two kinds of mysterious fossils misidentified for a century — and traced them both to some phallus-shaped worms that lived 505 million years ago and built themselves some very elaborate homes.
http://www.cbc.ca/news/technology/oe...sils-1.3670700