| author | date | title | journal / publication | den Hartog C | 1968 | Bipalium engeli, n. sp., a terrestrial triclad from Singapore. | Beaufortia vol. 15, no 194. |
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| Diversibipalium engeli den Hartog, 1968 | [with synonyms] | w | primary taxonomic authority (describer) | |
| Bipalium engeli den Hartog, 1968 | w | primary taxonomic authority (describer) |