| author | date | title | journal / publication | Percival E | 1925 | Rhynchodemus britannicus n. sp. A new British terrestrial Triclad, with a note on the excretion of Calcium Carbonate. | Quarterly Journal of Microsc. Sci. 69: 344-355. |
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| Microplana britannica (Percival, 1925) | w | primary taxonomic authority (describer) | ||
| Rhynchodemus brittanicus Percival, 1925 | w | primary taxonomic authority (describer) |