Kootenayscolex is more than just a pretty face, but it's the face these paleontologists are most interested in. While these ancient annelids have been known for some time, how they developed their ...

A 508-million-year-old species of bristle worm, Kootenayscolex barbarensis, has been described for the first time from fossils found in the Marble Canyon site at the Burgess Shale in the Canadian ...

The neck-like structure (Figure 2) may be an artifact formed during burial given the soft nature of annelid bodies, and hence, the tripartite outline of the body of the new form is tentative in this ...