Turbellarians taxon details
Provortex affinis (Jensen, 1878) Graff, 1882
142999 (urn:lsid:marinespecies.org:taxname:142999)
accepted
Species
Planaria assimilis Fabricius, 1826 · unaccepted
Proxenetes affinis · unaccepted (Lapsus calami by Riedl (1956)...)
Lapsus calami by Riedl (1956) twice in the same work; see taxonomical note.
Turbella assimilis (Fabricius, 1826) Diesing, 1850 · unaccepted
Vortex affinis Jensen, 1878 · unaccepted
marine, brackish, fresh, terrestrial
recent only
(of Vortex affinis Jensen, 1878) Jensen, O. S. (1878). Turbellaria ad litora Norvegiae occidentalia. Turbellarier ved Norges Vestkyst. <em>J W Eided Bogtrykkeri, Bergen.</em> 97 pp., available online at https://www.biodiversitylibrary.org/page/1582487
page(s): 43-44, Tab. III, fig. 11-13 [details]
page(s): 43-44, Tab. III, fig. 11-13 [details]
Taxonomic remark The specimens from Virginia were considered by Ruebush (1935) to belong to P. affinis. Later, Ruebush & Hayes (1939)...
Taxonomic remark The specimens from Virginia were considered by Ruebush (1935) to belong to P. affinis. Later, Ruebush & Hayes (1939) recognised that these specimens belong to a separate species: Provortex virginiensis Ruebush & Hayes (1939) (see Also Karling, 1940: p.113). [details]
Tyler, S., Artois, T.; Schilling, S.; Hooge, M.; Bush, L.F. (eds) (2006-2024). World List of turbellarian worms: Acoelomorpha, Catenulida, Rhabditophora. Provortex affinis (Jensen, 1878) Graff, 1882. Accessed at: https://www.marinespecies.org/turbellarians/aphia.php?p=taxdetails&id=142999 on 2026-08-19
Date
action
by
original description
(of Planaria assimilis Fabricius, 1826) Fabricius, O. (1826). Fortsaettelse of nye zoologiske bidrag. 6. Nogle lidet bekjendte og tildeels nye Flad-Orme (Planariae). <em>Det Kongelige Danske Videnskabernes Selskabs naturvidenskabelige og mathematiske afhandlinger.</em> Ser. 4(2): 16-35/ With three plates. (In Danish).
page(s): 31–32 [details]
original description (of Vortex affinis Jensen, 1878) Jensen, O. S. (1878). Turbellaria ad litora Norvegiae occidentalia. Turbellarier ved Norges Vestkyst. <em>J W Eided Bogtrykkeri, Bergen.</em> 97 pp., available online at https://www.biodiversitylibrary.org/page/1582487
page(s): 43-44, Tab. III, fig. 11-13 [details]
original description (of Proxenetes affinis) Riedl, R. (1956). Zur Kenntnis der Turbellarien adriatischer Schlammböden sowie ihre geographische und faunistischen Beziehung. <em>Thalassia Jugoslavica.</em> 1(1-5): 69-184.
page(s): 150, 159 [details] Available for editors
taxonomy source Karling, T. G. (1940). Zur Morphologie und Systematik der Alloecoela Cumulata und Rhabdocoela Lecithophora (Turbellaria). <em>Acta Zoologica Fennica.</em> 26: 1-260.
page(s): 113 [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 Ax, P. (2008). Plathelminthes aus Brackgewässern der Nordhalbkugel. Akademie der Wissenschaft und der Literatur Mainz, Franz Steiner Verlag, Stuttgart, 696 pp. [details]
additional source Muller, Y. (2004). Faune et flore du littoral du Nord, du Pas-de-Calais et de la Belgique: inventaire. [Coastal fauna and flora of the Nord, Pas-de-Calais and Belgium: inventory]. <em>Commission Régionale de Biologie Région Nord Pas-de-Calais: France.</em> 307 pp., available online at http://www.vliz.be/imisdocs/publications/145561.pdf [details]
additional source Ruebush, T. K. (1935). The occurence of Provortex affinis Jensen in the United States. <em>Zoologischer Anzeiger.</em> 111: 305-308.
note: The specimens identified by Ruebush (1935) as P. affinis were later considered a separate species by Ruebush & Hayes (1939): Provortex virginiensis Ruebush & Hayes (1939). [details]
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]
additional source Vanhöffen, E. (1897). Ufer- und Grundfauna. <em>Die Fauna und Flora Grönlands. Grönland-Expedition der Gesellschaft für Erdkunde zu Berlin 1891-1893 unter Leitung von Erich von Drygalski. Zweiter Band (I). Die Fauna und Flora Grönlands.</em> Zweiter Abschnit. Wirbellose Tiere und Planktonpflanzen. V. Kapittel. pp. 177–253.
page(s): 225 [details]
new combination reference 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): 346–347 [details]
additional source (of Turbella assimilis (Fabricius, 1826) Diesing, 1850) Diesing K.M. (1862). Revision der Turbellarien. Abteilung: Rhabdocoelen. <em>Sitzungsberichte der mathematisch-naturwissenschaftliche Classe der Kaiserlichen Akademie der Wissenschaften.</em> 45: 191–318., available online at https://www.biodiversitylibrary.org/page/2010837
page(s): 223 [details]
additional source (of Planaria assimilis Fabricius, 1826) Dugès, A. (1828). Recherches sur l'organisation et les moeurs des Planariées. <em>Annales des Sciences Naturelles.</em> 15: 139–187. Plates 4–5., available online at https://www.biodiversitylibrary.org/page/6011487
page(s): 141 [details]
source of synonymy (of Proxenetes affinis) Den Hartog C. (1966). A preliminary revision of the Proxenetes group (Trigonostomidae, Turbellaria). VI–X. <em>Proceedings of the Koninklijke Nederlandse Akademie van Wetenschappen. Series C: Biological and Medical Sciences.</em> 69: 97-163. (look up in IMIS)
page(s): 158 [details] Available for editors
source of synonymy (of Cylindrostoma assimile (Fabricius, 1826) Jensen, 1878) 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]
new combination reference (of Turbella assimilis (Fabricius, 1826) Diesing, 1850) Diesing, C.M. [[Karl Moritz, usually as Latin C. M = Carolo Mauritio]. (1850). Systema Helminthum. Vol. I. <em>[book].</em> xiii[xvi] + 679 pp.W. Vindobonae, Braumüller, Wien., available online at https://archive.org/details/systemahelminth00diesgoog/page/n5/mode/2up?view=theater
page(s): 226 [details]
new combination reference (of Cylindrostoma assimile (Fabricius, 1826) Jensen, 1878) Jensen, O. S. (1878). Turbellaria ad litora Norvegiae occidentalia. Turbellarier ved Norges Vestkyst. <em>J W Eided Bogtrykkeri, Bergen.</em> 97 pp., available online at https://www.biodiversitylibrary.org/page/1582487
page(s): 43 [details]
page(s): 31–32 [details]
original description (of Vortex affinis Jensen, 1878) Jensen, O. S. (1878). Turbellaria ad litora Norvegiae occidentalia. Turbellarier ved Norges Vestkyst. <em>J W Eided Bogtrykkeri, Bergen.</em> 97 pp., available online at https://www.biodiversitylibrary.org/page/1582487
page(s): 43-44, Tab. III, fig. 11-13 [details]
original description (of Proxenetes affinis) Riedl, R. (1956). Zur Kenntnis der Turbellarien adriatischer Schlammböden sowie ihre geographische und faunistischen Beziehung. <em>Thalassia Jugoslavica.</em> 1(1-5): 69-184.
page(s): 150, 159 [details] Available for editors
taxonomy source Karling, T. G. (1940). Zur Morphologie und Systematik der Alloecoela Cumulata und Rhabdocoela Lecithophora (Turbellaria). <em>Acta Zoologica Fennica.</em> 26: 1-260.
page(s): 113 [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 Ax, P. (2008). Plathelminthes aus Brackgewässern der Nordhalbkugel. Akademie der Wissenschaft und der Literatur Mainz, Franz Steiner Verlag, Stuttgart, 696 pp. [details]
additional source Muller, Y. (2004). Faune et flore du littoral du Nord, du Pas-de-Calais et de la Belgique: inventaire. [Coastal fauna and flora of the Nord, Pas-de-Calais and Belgium: inventory]. <em>Commission Régionale de Biologie Région Nord Pas-de-Calais: France.</em> 307 pp., available online at http://www.vliz.be/imisdocs/publications/145561.pdf [details]
additional source Ruebush, T. K. (1935). The occurence of Provortex affinis Jensen in the United States. <em>Zoologischer Anzeiger.</em> 111: 305-308.
note: The specimens identified by Ruebush (1935) as P. affinis were later considered a separate species by Ruebush & Hayes (1939): Provortex virginiensis Ruebush & Hayes (1939). [details]
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]
additional source Vanhöffen, E. (1897). Ufer- und Grundfauna. <em>Die Fauna und Flora Grönlands. Grönland-Expedition der Gesellschaft für Erdkunde zu Berlin 1891-1893 unter Leitung von Erich von Drygalski. Zweiter Band (I). Die Fauna und Flora Grönlands.</em> Zweiter Abschnit. Wirbellose Tiere und Planktonpflanzen. V. Kapittel. pp. 177–253.
page(s): 225 [details]
new combination reference 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): 346–347 [details]
additional source (of Turbella assimilis (Fabricius, 1826) Diesing, 1850) Diesing K.M. (1862). Revision der Turbellarien. Abteilung: Rhabdocoelen. <em>Sitzungsberichte der mathematisch-naturwissenschaftliche Classe der Kaiserlichen Akademie der Wissenschaften.</em> 45: 191–318., available online at https://www.biodiversitylibrary.org/page/2010837
page(s): 223 [details]
additional source (of Planaria assimilis Fabricius, 1826) Dugès, A. (1828). Recherches sur l'organisation et les moeurs des Planariées. <em>Annales des Sciences Naturelles.</em> 15: 139–187. Plates 4–5., available online at https://www.biodiversitylibrary.org/page/6011487
page(s): 141 [details]
source of synonymy (of Proxenetes affinis) Den Hartog C. (1966). A preliminary revision of the Proxenetes group (Trigonostomidae, Turbellaria). VI–X. <em>Proceedings of the Koninklijke Nederlandse Akademie van Wetenschappen. Series C: Biological and Medical Sciences.</em> 69: 97-163. (look up in IMIS)
page(s): 158 [details] Available for editors
source of synonymy (of Cylindrostoma assimile (Fabricius, 1826) Jensen, 1878) 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]
new combination reference (of Turbella assimilis (Fabricius, 1826) Diesing, 1850) Diesing, C.M. [[Karl Moritz, usually as Latin C. M = Carolo Mauritio]. (1850). Systema Helminthum. Vol. I. <em>[book].</em> xiii[xvi] + 679 pp.W. Vindobonae, Braumüller, Wien., available online at https://archive.org/details/systemahelminth00diesgoog/page/n5/mode/2up?view=theater
page(s): 226 [details]
new combination reference (of Cylindrostoma assimile (Fabricius, 1826) Jensen, 1878) Jensen, O. S. (1878). Turbellaria ad litora Norvegiae occidentalia. Turbellarier ved Norges Vestkyst. <em>J W Eided Bogtrykkeri, Bergen.</em> 97 pp., available online at https://www.biodiversitylibrary.org/page/1582487
page(s): 43 [details]
Present
Inaccurate
Introduced: alien
Containing type locality
From editor or global species database
Taxonomic remark The specimens from Virginia were considered by Ruebush (1935) to belong to P. affinis. Later, Ruebush & Hayes (1939) recognised that these specimens belong to a separate species: Provortex virginiensis Ruebush & Hayes (1939) (see Also Karling, 1940: p.113). [details]
To Biodiversity Heritage Library (13 publications)
To Biodiversity Heritage Library (2 publications) (from synonym Vortex affinis Jensen, 1878)
To PESI
To the Turbellarian Taxonomic Database
To the Turbellarian Taxonomic Database
(from synonym Proxenetes affinis)
To the Turbellarian Taxonomic Database
(from synonym Turbella assimilis (Fabricius, 1826) Diesing, 1850)
To the Turbellarian Taxonomic Database
(from synonym Vortex affinis Jensen, 1878)
To the Turbellarian Taxonomic Database
(from synonym Planaria assimilis Fabricius, 1826)
To the Turbellarian Taxonomic Database
(from synonym Cylindrostoma assimile (Fabricius, 1826) Jensen, 1878)
To Biodiversity Heritage Library (2 publications) (from synonym Vortex affinis Jensen, 1878)
To PESI
To the Turbellarian Taxonomic Database
To the Turbellarian Taxonomic Database
(from synonym Proxenetes affinis)To the Turbellarian Taxonomic Database
(from synonym Turbella assimilis (Fabricius, 1826) Diesing, 1850)To the Turbellarian Taxonomic Database
(from synonym Vortex affinis Jensen, 1878)To the Turbellarian Taxonomic Database
(from synonym Planaria assimilis Fabricius, 1826)To the Turbellarian Taxonomic Database
(from synonym Cylindrostoma assimile (Fabricius, 1826) Jensen, 1878)