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

Trigonostomum penicillatum (Schmidt, 1857) Graff, 1905

Rank: Species
Taxon Status: accepted

Relationships towards this taxon

Genus group names

*Trigonostomum*	Schmidt, 1852	accepted genus name
*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
*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
*Trigonostomum setigerum*	Schmidt, 1852	taxonomically included in
*Trigonostomum venenosum*	(Uljanin, 1870) Meixner, 1924	taxonomically included in

Species group names

*Hyporhynchus penicillatum*	Schmidt, 1957	objective synonym
*Vortex penicillatus*	Schmidt, 1857	synonym

Literature

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.
new combination reference	Graff, L. von. (1905). Marine Turbellarien Orottavas und der Küsten Europas. Zeitschrift fur wissenschaftlige Zoologie. 83: 68-150. With 6 plates.
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 penicillatum (Schmidt, 1857) Graff, 1905. 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:143455

Dr. Carolina Noreña Janssen. Trigonostomum penicillatum (Schmidt, 1857) Graff, 1905. Accessed through: Fauna Europaea at https://portal.cybertaxonomy.org/fauna-europaea/cdm_dataportal/taxon/36db2cda-6436-4aa0-b032-16c92f403f56