Turbellarians taxon details
Trigonostomidae Graff, 1905
142106 (urn:lsid:marinespecies.org:taxname:142106)
accepted
Family
Trigonostomum Schmidt, 1852 (type by original designation)
Proxenetidae · unaccepted
Proxenetinae Graff, 1882 · unaccepted
Trigonostominae Graff, 1905 · unaccepted
- Genus Beklemischeviella Luther, 1943
- Genus Brederveldia van der Velde & van de Winkel, 1975
- Genus Ceratopera Den Hartog, 1964
- Genus Cryptostiopera Ehlers & Ax, 1974
- Genus Feanora De Clerck & Schockaert, 1995
- Genus Lutheriella Den Hartog, 1966
- Genus Mahurubia Willems, Artois, Vermin, Backeljau & Schockaert, 2005
- Genus Parapharyngiella Willems, Artois, Vermin, Backeljau & Schockaert, 2005
- Genus Petaliella Ehlers, 1974
- Genus Proxenetes Jensen, 1878
- Genus Ptychopera Den Hartog, 1964
- Genus Trigonostomum Schmidt, 1852
- Subfamily Astrotorhynchinae Graff, 1905 accepted as Paramesostominae Luther, 1948
- Genus Beklemisheviella accepted as Beklemischeviella Luther, 1943 (Literature misspelling by Faubel & Noreña (2001))
- Genus Hyporcus Graff, 1905 accepted as Trigonostomum Schmidt, 1852 (nomen oblitum)
- Genus Hyporhynchus Graff, 1882 accepted as Trigonostomum Schmidt, 1852 (Nomen oblitum)
- Genus Kylosphaera Jensen, 1878 accepted as Trigonostomum Schmidt, 1852
- Subfamily Mariplanellinae Ax & Heller, 1970 accepted as Mariplanellidae Ax & Heller, 1970 (unaccepted > superseded rank)
- Genus Mesoplana accepted as Messoplana Den Hartog, 1966 accepted as Ceratopera Den Hartog, 1964 (unaccepted > misspelling - incorrect subsequent spelling)
- Genus Messoplana Den Hartog, 1966 accepted as Ceratopera Den Hartog, 1964 (unaccepted > junior subjective synonym)
- Genus Orcus Uljanin, 1870 accepted as Hyporhynchus Graff, 1882 accepted as Trigonostomum Schmidt, 1852
- Subfamily Proxenetinae Graff, 1882 accepted as Trigonostominae Graff, 1905 accepted as Trigonostomidae Graff, 1905
- Genus Ptychoptera accepted as Ptychopera Den Hartog, 1964 (unaccepted > misspelling - incorrect subsequent spelling, Literature misspelling by Dittmann & Reise (1985), Schockaert & Martens (1985) and Noreña et al. (2003))
- Genus Spiroclytus Schmidt, 1857 accepted as Hyporhynchus Graff, 1882 accepted as Trigonostomum Schmidt, 1852 (Schmidt (1857) proposes this as a replacement name for Trigonostomum Schmidt, 1852, for etymological reasons. This is not according to the rules of ICZN, zo Spiroclytus stays a junior synonym of Trigonostomum.)
- Subfamily Trigonostominae Graff, 1905 accepted as Trigonostomidae Graff, 1905
- Genus Woodsholia Graff, 1911 accepted as Trigonostomum Schmidt, 1852
marine, brackish, fresh, terrestrial
recent only
Graff, L. von. (1905). Marine Turbellarien Orotavas und der Küsten Europas. II. Rhabdocoela. <em>Zeitschrift fur wissenschaftliche Zoologie.</em> 83: 68-150. With 5 plates., available online at https://www.biodiversitylibrary.org/page/43242488
page(s): 109 [details]
page(s): 109 [details]
Taxonomic remark Replacing Graff's (1882) Hyporhynchina
Taxonomic remark Replacing Graff's (1882) Hyporhynchina [details]
Tyler, S., Artois, T.; Schilling, S.; Hooge, M.; Bush, L.F. (eds) (2006-2025). World List of turbellarian worms: Acoelomorpha, Catenulida, Rhabditophora. Trigonostomidae Graff, 1905. Accessed at: https://www.marinespecies.org/turbellarians/aphia.php?p=taxdetails&id=142106 on 2026-07-06
Date
action
by
original description
Graff, L. von. (1905). Marine Turbellarien Orotavas und der Küsten Europas. II. Rhabdocoela. <em>Zeitschrift fur wissenschaftliche Zoologie.</em> 83: 68-150. With 5 plates., available online at https://www.biodiversitylibrary.org/page/43242488
page(s): 109 [details]
original description (of Trigonostominae Graff, 1905) Graff, L., von. (1882). Monographie der Turbellarien 1. Rhabdocoelida. <em>[Book].</em> 1-442, Verlag Wilhelm Engelmann, Leipzig., available online at https://books.google.com/books/about/Monographie_der_Turbellarien.html?id=LT0hAQAAMAAJ [details]
original description (of Proxenetinae Graff, 1882) Graff, L., von. (1882). Monographie der Turbellarien 1. Rhabdocoelida. <em>[Book].</em> 1-442, Verlag Wilhelm Engelmann, Leipzig., available online at https://books.google.com/books/about/Monographie_der_Turbellarien.html?id=LT0hAQAAMAAJ
page(s): 204; note: here spelled as "Proxenetina" [details]
original description (of Proxenetidae) Graff, L., von. (1882). Monographie der Turbellarien 1. Rhabdocoelida. <em>[Book].</em> 1-442, Verlag Wilhelm Engelmann, Leipzig., available online at https://books.google.com/books/about/Monographie_der_Turbellarien.html?id=LT0hAQAAMAAJ
note: Here as a subfamily Proxinetina(e). According to Art. 50.3 of ICZN, the authorship stays unchanged. [details]
taxonomy source (of Proxenetidae) Graff, L. von. (1905). Marine Turbellarien Orotavas und der Küsten Europas. II. Rhabdocoela. <em>Zeitschrift fur wissenschaftliche Zoologie.</em> 83: 68-150. With 5 plates., available online at https://www.biodiversitylibrary.org/page/43242488
page(s): 83 [details]
taxonomy source (of Proxenetinae Graff, 1882) Graff, L. von. (1905). Marine Turbellarien Orotavas und der Küsten Europas. II. Rhabdocoela. <em>Zeitschrift fur wissenschaftliche Zoologie.</em> 83: 68-150. With 5 plates., available online at https://www.biodiversitylibrary.org/page/43242488
page(s): 83 [details]
context source (MSBIAS) MEDIN. (2011). UK checklist of marine species derived from the applications Marine Recorder and UNICORN. version 1.0. [details]
context source (PeRMS) Velásquez-Rodriguez, K.; Reyes, J.; Van Steenkiste, N. ; Severino, R.; Brusa, F. (2023). First records of marine microturbellarians (Platyhelminthes: Rhabdocoela, Fecampiida and Prolecithophora) from Peru, with the description of a new species. <em>Zootaxa.</em> 5258(5): 501-523., available online at https://doi.org/10.11646/zootaxa.5258.5.1 [details] Available for editors
basis of record Faubel, A.; Noreña, C. (2001). Turbellaria, <B><I>in</I></B>: Costello, M.J. <i>et al.</i> (Ed.) (2001). <i>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,</i> 50: pp. 123-136 (look up in IMIS) [details] Available for editors
additional source Schockaert, E. R.; Jouk, P. E. H.; Martens, P. M. (1989). Free-living Plathelminthes from the Belgian coast and adjacent areas. <em>In: Wouters, K.; Baert, L. (Ed.) (1989). Proceedings of the Symposium Invertebrates of Belgium.</em> pp. 19-25. (look up in IMIS) [details]
basis of record (of Proxenetinae Graff, 1882) Tyler, S.; Schilling, S.; Hooge, M.; Bush, L. F. (comp.). (2006-2016). Turbellarian taxonomic database. Version 1.7., available online at http://turbellaria.umaine.edu [details]
basis of record (of Trigonostominae Graff, 1905) Tyler, S.; Schilling, S.; Hooge, M.; Bush, L. F. (comp.). (2006-2016). Turbellarian taxonomic database. Version 1.7., available online at http://turbellaria.umaine.edu [details]
additional source (of Proxenetinae Graff, 1882) Luther, A. (1948). Untersuchungen an rhabdocoelen Turbellarien. VII. Über einige marine Dalyellioida. VIII. Beiträge zur Kenntnis der Typhloplanoida. <em>Acta Zoologica Fennica.</em> 55:1-122., available online at https://helda.helsinki.fi/handle/10138/36950
page(s): 36, 63 [details] Available for editors
source of synonymy (of Proxenetinae Graff, 1882) Den Hartog, C. (1964). A preliminary revision of the Proxenetes group (Trigonostomidae, Turbellaria). I-III. <em>Proceedings of the Koninklijke Nederlandse Akademie van Wetenschappen. Series C. Biological and Medical Sciences.</em> 67: 371-407.
page(s): 374 [details] Available for editors
status source (of Trigonostominae Graff, 1905) Luther, A. (1948). Untersuchungen an rhabdocoelen Turbellarien. VII. Über einige marine Dalyellioida. VIII. Beiträge zur Kenntnis der Typhloplanoida. <em>Acta Zoologica Fennica.</em> 55:1-122., available online at https://helda.helsinki.fi/handle/10138/36950 [details] Available for editors
status source (of Trigonostominae Graff, 1905) Diez, Y. L.; Monnens, M.; Wuyts, A.; Brendonck, L.; Reygel, P.; Schmidt-Rhaesa, A.; Artois, T. (2023). Taxonomy and phylogeny of Dalytyphloplanida Willems et al., 2006 (Platyhelminthes: Rhabdocoela), with the description of a new family, a new genus, and sixteen new species from Cuba and Panama. <em>Organisms Diversity & Evolution.</em> , available online at https://doi.org/10.1007/s13127-023-00623-w [details] Available for editors
status source (of Proxenetidae) Graff, L. von. (1913). Turbellaria II. Rhabdocoelida. [Das Tierreich, Eine Zusammenstellung und Kennzeichnung der rezenten Tierformen Heft 35/1913]. Berlin, Verlag von R. Friedländer und Sohn, Ausgegeben im Juni 1913., 484 pages. [reprinted 1966, Verlag Von J. Cramer W], available online at https://www.biodiversitylibrary.org/page/883047
page(s): 180 [details]
status source (of Trigonostominae Graff, 1905) Graff, L. von. (1905). Marine Turbellarien Orotavas und der Küsten Europas. II. Rhabdocoela. <em>Zeitschrift fur wissenschaftliche Zoologie.</em> 83: 68-150. With 5 plates., available online at https://www.biodiversitylibrary.org/page/43242488
page(s): 109; note: As Trigonostomidae [details]
page(s): 109 [details]
original description (of Trigonostominae Graff, 1905) Graff, L., von. (1882). Monographie der Turbellarien 1. Rhabdocoelida. <em>[Book].</em> 1-442, Verlag Wilhelm Engelmann, Leipzig., available online at https://books.google.com/books/about/Monographie_der_Turbellarien.html?id=LT0hAQAAMAAJ [details]
original description (of Proxenetinae Graff, 1882) Graff, L., von. (1882). Monographie der Turbellarien 1. Rhabdocoelida. <em>[Book].</em> 1-442, Verlag Wilhelm Engelmann, Leipzig., available online at https://books.google.com/books/about/Monographie_der_Turbellarien.html?id=LT0hAQAAMAAJ
page(s): 204; note: here spelled as "Proxenetina" [details]
original description (of Proxenetidae) Graff, L., von. (1882). Monographie der Turbellarien 1. Rhabdocoelida. <em>[Book].</em> 1-442, Verlag Wilhelm Engelmann, Leipzig., available online at https://books.google.com/books/about/Monographie_der_Turbellarien.html?id=LT0hAQAAMAAJ
note: Here as a subfamily Proxinetina(e). According to Art. 50.3 of ICZN, the authorship stays unchanged. [details]
taxonomy source (of Proxenetidae) Graff, L. von. (1905). Marine Turbellarien Orotavas und der Küsten Europas. II. Rhabdocoela. <em>Zeitschrift fur wissenschaftliche Zoologie.</em> 83: 68-150. With 5 plates., available online at https://www.biodiversitylibrary.org/page/43242488
page(s): 83 [details]
taxonomy source (of Proxenetinae Graff, 1882) Graff, L. von. (1905). Marine Turbellarien Orotavas und der Küsten Europas. II. Rhabdocoela. <em>Zeitschrift fur wissenschaftliche Zoologie.</em> 83: 68-150. With 5 plates., available online at https://www.biodiversitylibrary.org/page/43242488
page(s): 83 [details]
context source (MSBIAS) MEDIN. (2011). UK checklist of marine species derived from the applications Marine Recorder and UNICORN. version 1.0. [details]
context source (PeRMS) Velásquez-Rodriguez, K.; Reyes, J.; Van Steenkiste, N. ; Severino, R.; Brusa, F. (2023). First records of marine microturbellarians (Platyhelminthes: Rhabdocoela, Fecampiida and Prolecithophora) from Peru, with the description of a new species. <em>Zootaxa.</em> 5258(5): 501-523., available online at https://doi.org/10.11646/zootaxa.5258.5.1 [details] Available for editors
basis of record Faubel, A.; Noreña, C. (2001). Turbellaria, <B><I>in</I></B>: Costello, M.J. <i>et al.</i> (Ed.) (2001). <i>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,</i> 50: pp. 123-136 (look up in IMIS) [details] Available for editors
additional source Schockaert, E. R.; Jouk, P. E. H.; Martens, P. M. (1989). Free-living Plathelminthes from the Belgian coast and adjacent areas. <em>In: Wouters, K.; Baert, L. (Ed.) (1989). Proceedings of the Symposium Invertebrates of Belgium.</em> pp. 19-25. (look up in IMIS) [details]
basis of record (of Proxenetinae Graff, 1882) Tyler, S.; Schilling, S.; Hooge, M.; Bush, L. F. (comp.). (2006-2016). Turbellarian taxonomic database. Version 1.7., available online at http://turbellaria.umaine.edu [details]
basis of record (of Trigonostominae Graff, 1905) Tyler, S.; Schilling, S.; Hooge, M.; Bush, L. F. (comp.). (2006-2016). Turbellarian taxonomic database. Version 1.7., available online at http://turbellaria.umaine.edu [details]
additional source (of Proxenetinae Graff, 1882) Luther, A. (1948). Untersuchungen an rhabdocoelen Turbellarien. VII. Über einige marine Dalyellioida. VIII. Beiträge zur Kenntnis der Typhloplanoida. <em>Acta Zoologica Fennica.</em> 55:1-122., available online at https://helda.helsinki.fi/handle/10138/36950
page(s): 36, 63 [details] Available for editors
source of synonymy (of Proxenetinae Graff, 1882) Den Hartog, C. (1964). A preliminary revision of the Proxenetes group (Trigonostomidae, Turbellaria). I-III. <em>Proceedings of the Koninklijke Nederlandse Akademie van Wetenschappen. Series C. Biological and Medical Sciences.</em> 67: 371-407.
page(s): 374 [details] Available for editors
status source (of Trigonostominae Graff, 1905) Luther, A. (1948). Untersuchungen an rhabdocoelen Turbellarien. VII. Über einige marine Dalyellioida. VIII. Beiträge zur Kenntnis der Typhloplanoida. <em>Acta Zoologica Fennica.</em> 55:1-122., available online at https://helda.helsinki.fi/handle/10138/36950 [details] Available for editors
status source (of Trigonostominae Graff, 1905) Diez, Y. L.; Monnens, M.; Wuyts, A.; Brendonck, L.; Reygel, P.; Schmidt-Rhaesa, A.; Artois, T. (2023). Taxonomy and phylogeny of Dalytyphloplanida Willems et al., 2006 (Platyhelminthes: Rhabdocoela), with the description of a new family, a new genus, and sixteen new species from Cuba and Panama. <em>Organisms Diversity & Evolution.</em> , available online at https://doi.org/10.1007/s13127-023-00623-w [details] Available for editors
status source (of Proxenetidae) Graff, L. von. (1913). Turbellaria II. Rhabdocoelida. [Das Tierreich, Eine Zusammenstellung und Kennzeichnung der rezenten Tierformen Heft 35/1913]. Berlin, Verlag von R. Friedländer und Sohn, Ausgegeben im Juni 1913., 484 pages. [reprinted 1966, Verlag Von J. Cramer W], available online at https://www.biodiversitylibrary.org/page/883047
page(s): 180 [details]
status source (of Trigonostominae Graff, 1905) Graff, L. von. (1905). Marine Turbellarien Orotavas und der Küsten Europas. II. Rhabdocoela. <em>Zeitschrift fur wissenschaftliche Zoologie.</em> 83: 68-150. With 5 plates., available online at https://www.biodiversitylibrary.org/page/43242488
page(s): 109; note: As Trigonostomidae [details]
Present
Inaccurate
Introduced: alien
Containing type locality
From editor or global species database
Taxonomic remark Replacing Graff's (1882) Hyporhynchina [details]
To European Nucleotide Archive, ENA (Trigonostomidae)
To European Nucleotide Archive, ENA (Trigonostominae) (from synonym Trigonostominae Graff, 1905)
To Genbank
To Genbank (from synonym Trigonostominae Graff, 1905)
To the Turbellarian Taxonomic Database
To the Turbellarian Taxonomic Database
(from synonym Trigonostominae Graff, 1905)
To the Turbellarian Taxonomic Database
(from synonym Proxenetinae Graff, 1882)
To the Turbellarian Taxonomic Database
(from synonym Proxenetidae)
To European Nucleotide Archive, ENA (Trigonostominae) (from synonym Trigonostominae Graff, 1905)
To Genbank
To Genbank (from synonym Trigonostominae Graff, 1905)
To the Turbellarian Taxonomic Database
To the Turbellarian Taxonomic Database
(from synonym Trigonostominae Graff, 1905)To the Turbellarian Taxonomic Database
(from synonym Proxenetinae Graff, 1882)To the Turbellarian Taxonomic Database
(from synonym Proxenetidae)