| 1 | Blades of compound chaetae all short and similar | Eusyllis blomstrandi Malmgren, 1867 (1, 8) |
| – | Compound chaetae with elongated and short blades on each parapodium | 2 |
| 2 | Ventral cirri of chaetiger 1 similar to remaining ones. Blades of compound chaetae of two distinctly different sizes. Aciculae thick, distally curved | Eusyllis assimilis Marenzeller, 1875 (1) |
| – | Ventral cirri of chaetiger 1 flattened, different from remaining ones. Blades of compound chaetae decreasing gradually in size on each parapodium. Aciculae slender, tricuspid | Eusyllis lamelligera Marion & Bobretzky, 1875 (1) |
Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.