The full Census of Marine Life will be released to the world this October, but that hasn't stopped the scientists involved from previewing some of the odd creatures they've found deep down in the ocean. In April we brought you some of the coolest-looking microbes discovered, and now marine scientists from the University of Aberdeen in the U.K. have unveiled a new batch of wondrous life: 10 possibly new species that appear to lie somewhere between true vertebrates and invertebrates.

This is an acorn worm, a scavenger of seafloor sediment that the researchers found in the North Atlantic. Click through for more.