| Name | Trossulus R. Ross & P. A. Sims |
| Authorship | R. Ross & P. A. Sims |
| Rank | Genus |
| NomenclaturalStatus | NomLeg |
| Placed in | Heliopeltaceae |
| Contains | Trossulus californicus (Hanna) R. Ross & P. A. Sims Trossulus elegantulus (E. Grove & G. Sturt) R. Ross & P. A. Sims Trossulus javanicus R. Ross & P. A. Sims Trossulus nicobaricus R. Ross & P. A. Sims Trossulus sp. |
| Remarks | Fossil; Type: T. elegantulus (Grove & Sturt) R. Ross & P. A. Sims (Actinodiscus elegantulus Grove & Sturt) |
| Citation | May 2002 Diatom Res. 17(1): 178 |