| Referens | Massin, C., 2013 Redescription of Psolus tessellatus Koehler, 1896 (Echinodermata, Holothuroidea) with neotype designation. European Journal of Taxonomy 38:1-5. |
| Ref. | 94431 Massin, C., 2013 |
| Sida | |
| Named Used as Valid | Mesothuria roulei |
| Observationsplats | |
| Distribution | Bay of Biscay. |