Higher Classification: > Kingdom Animalia > Subkingdom Eumetazoa > Phylum Platyhelminthes > Subphylum Rhabditophora > Order Rhabdocoela > Suborder Dalytyphloplanida > Infraorder Neotyphloplanida > Parvorder Thalassotyphloplanida > Family Trigonostomidae

Trigonostomum Schmidt, 1852

Rank: Genus
Taxon Status: accepted

Relationships towards this taxon

Genus group names

*Hyporcus*	Graff, 1905	generic synonym
*Hyporhynchus*	Graff, 1882	generic synonym
*Kylosphaera*	Jensen, 1878	generic synonym
*Orcus*	Uljanin, 1870	generic synonym
*Woodsholia*	Graff, 1911	generic synonym
*Trigonostomum armatum*	(Jensen, 1878) Graff, 1905	taxonomically included in
*Trigonostomum breitfussi*	(Graff, 1905) Meixner, 1924	taxonomically included in
*Trigonostomum brunchorsti*	Graff, 1905	taxonomically included in; species inquirenda
*Trigonostomum coronatum*	(Graff, 1882) Graff, 1905	taxonomically included in
*Trigonostomum mirabile*	(Pereyaslawzewa, 1892) Graff, 1905	taxonomically included in
*Trigonostomum penicillatum*	(Schmidt, 1857) Graff, 1905	taxonomically included in
*Trigonostomum piriforme*	(Pereyaslawzewa, 1892) Graff, 1905	taxonomically included in; species inquirenda
*Trigonostomum setigerum*	Schmidt, 1852	taxonomically included in
*Trigonostomum venenosum*	(Uljanin, 1870) Meixner, 1924	taxonomically included in

Children

Trigonostomum armatum (Jensen, 1878) Graff, 1905
Trigonostomum breitfussi (Graff, 1905) Meixner, 1924
Trigonostomum brunchorsti Graff, 1905
Trigonostomum coronatum (Graff, 1882) Graff, 1905
Trigonostomum mirabile (Pereyaslawzewa, 1892) Graff, 1905
Trigonostomum penicillatum (Schmidt, 1857) Graff, 1905
Trigonostomum piriforme (Pereyaslawzewa, 1892) Graff, 1905
Trigonostomum setigerum Schmidt, 1852
Trigonostomum venenosum (Uljanin, 1870) Meixner, 1924

Literature

original description	Schmidt, O. (1852). Neue Rhabdocoelen aus dem nordischen und dem Adriatischen Meere. Sitzungsberichte der mathematisch-naturwissenschaftlichen Classe der Kaiserlichen Akademie der Wissenschaften. 9: 490–505. With 5 plates.
basis of record	Faubel, A.; Noreña, C. (2001). Turbellaria, in: Costello, M.J. et al. (Ed.) (2001). European register of marine species: a check-list of the marine species in Europe and a bibliography of guides to their identification. Collection Patrimoines Naturels, 50: pp. 123-136
additional source	Vanstraelen, L.; Artois, T.; Backeljau, T.; Kmentova, N.; Geraerts, M.; Monnens, M. (2025). A Scanning Electron Microscopy Method to Visualise the Copulatory Organ Morphology of Microturbellarian Flatworms: Trigonostomum Schmidt, 1852 as a Case Study. Journal of Morphology. 286:e70040.
taxonomy source	Willems, W.; Artois,T.; Vermin, W.; Schockaert, E. (2004). Revision of Trigonostomum Schmidt, 1852 (Platyhelminthes, Typhloplanoida, Trigonostomidae) with the description of seven new species. Zoological Journal of the Linnean Society. 141(2): 271-296.

Genbank

Citation

Tyler, S., Artois, T.; Schilling, S.; Hooge, M.; Bush, L.F. (eds) (2006-2025). World List of turbellarian worms: Acoelomorpha, Catenulida, Rhabditophora. Trigonostomum Schmidt, 1852. Via: Costello, M.J.; Bouchet, P.; Boxshall, G.; Arvantidis, C.; Appeltans, W. (2011) European Register of Marine Species, Accessed through PESI at http://www.eu-nomen.eu/portal/taxon.php?GUID=urn:lsid:marinespecies.org:taxname:142443

Dr. Carolina Noreña Janssen. Trigonostomum Schmidt, 1852. Accessed through: Fauna Europaea at https://portal.cybertaxonomy.org/fauna-europaea/cdm_dataportal/taxon/7caa1336-d5ee-48d9-bbd8-78d534f73821