| author | date | title | journal / publication | Diez YL, Monnens M, Artois T, Sweat LH | 2026 | Molecular phylogenetic reexamination of Trigonostomidae Graff, 1905 (Platyhelminthes, Rhabdocoela), with the resurrection of Messoplana Den Hartog, 1966, and the description of four new species from the United States | Diversity 18(7): 435 [doi: 10.3390/d18070435 goto] |
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| Thalassotyphloplanida Trigonostomidae Graff, 1905 | [with synonyms] | w | latest taxonomic authority | |
| Lutheriella diplostyla den Hartog, 1966 | w | latest taxonomic authority | 31, etc | |
| Parapharyngiella mackfirae (Karling, 1978) | [with synonyms] | w | latest taxonomic authority | 23-25 |
| Trigonostomum breitfussi (Graff, 1905) | [with synonyms] | w | other taxonomic work | 31, etc |
| Trigonostomum penicillatum (Schmidt, 1857) | [with synonyms] | w | latest taxonomic authority | 31, etc |
| Trigonostomum franki Willems, Artois, Vermin, & Schockaert, 2004 | w | latest taxonomic authority | 29-31 | |
| Parapharyngiella caribbaea Diez, Reygel & Artois, 2018 | w | other taxonomic work | 21-23 | |
| Ceratopera bransoni Diez, 2026 | w | primary taxonomic authority (describer) | 11-13 | |
| Messoplana judithae Diez, 2026 | w | primary taxonomic authority (describer) | 18-21 | |
| Parapharyngiella scotti Diez, 2026 | w | primary taxonomic authority (describer) | 26-28 | |
| Ptychopera woodyi Diez, 2026 | w | primary taxonomic authority (describer) | 28-29 |