The Mosura fentoni, or "sea moth," is a newly discovered type of arthropod that would have lived in the deep sea more than ...

Canadian paleontologists recently discovered Mosura fentoni, a 506-million-year-old predator resembling a moth. The discovery offers insights into extinct radiodonts' anatomy.

The "sea moth"-like species caught researchers' attention ... of paddle-like fins to glide through the ocean and then used hook-like segments of its feeding appendages to grab small prey and ...