Turbellarians taxon details
Gieysztoria expedita (Hofsten, 1907) Ruebush & Hayes, 1939
480641 (urn:lsid:marinespecies.org:taxname:480641)
accepted
Species
Dalyellia expedita Hofsten, 1907 · unaccepted
Dalyellia graffii (Hallez, 1878) Graff, 1905 · unaccepted
Dalyellia rhombigera (Plotnikow, 1905) Graff, 1905 · unaccepted
Vortex graffii Hallez, 1878 · unaccepted
Vortex rhombiger Plotnikow, 1905 · unaccepted
- Subspecies Gieysztoria expedita expeditoides Luther, 1955 accepted as Gieysztoria expeditoides Luther, 1955
recent only
(of Dalyellia expedita Hofsten, 1907) Hofsten, N. v. (1907). Studien über Turbellarien aus dem Berner Oberland. <em>Zeitschrift für wissenschaftliche Zoologie.</em> 85: 391-654. With 5 plates (22–26).
page(s): 520 [details]
page(s): 520 [details]
Status According to Luther (1955), the species is so badly known that the name is better forgotten than synonymised with G....
Status According to Luther (1955), the species is so badly known that the name is better forgotten than synonymised with G. expedita. He mentiones it, however, in the synonymy list of G. expedita. [details]
Tyler, S., Artois, T.; Schilling, S.; Hooge, M.; Bush, L.F. (eds) (2006-2024). World List of turbellarian worms: Acoelomorpha, Catenulida, Rhabditophora. Gieysztoria expedita (Hofsten, 1907) Ruebush & Hayes, 1939. Accessed at: https://www.marinespecies.org/turbellarians/aphia.php?p=taxdetails&id=480641 on 2025-12-13
Date
action
by
original description
(of Dalyellia expedita Hofsten, 1907) Hofsten, N. v. (1907). Studien über Turbellarien aus dem Berner Oberland. <em>Zeitschrift für wissenschaftliche Zoologie.</em> 85: 391-654. With 5 plates (22–26).
page(s): 520 [details]
original description (of Vortex graffii Hallez, 1878) Hallez, P. (1879). Contributions a l'histoire naturelle des Turbellariés. <em>Travaux de l'institut zoologique de Lille et de la station marine de Wimereux.</em> 2e Édition. Imprimerie L. Danel. Lille. 213 pp, 11 plates.
page(s): 163–164 [details]
original description (of Vortex rhombiger Plotnikow, 1905) Plotnikow, W. (1905). Uber einige rhabdocöle Turbellarien Sibiriens. <em>Zoologische Jahrbücher. Abteilung für Systematik, Geographie und Biologie der Tiere.</em> 21: 479–490. 1 plate.
page(s): 485 [details]
taxonomy source Luther, A. (1955). Die Dalyelliiden (Turbellaria Neorhabdocoela), eine Monographie. <em>Acta Zoologica Fennica.</em> 87: 1-337.
page(s): 179–183; note: According to Luther (1955), the species is so badly known that the name is better forgotten than synonymised with G. expedita. He mentiones it, however, in the synonymy list of G. expedita. [details] Available for editors
taxonomy source (of Microdalyellia (Gieysztoria) expedita (Hofsten, 1907) Gieysztor, 1938) Ruebush, T. K.; Hayes, W. J. Jr. (1939). The genus Dalyellia in America II. <em>Zoologischer Anzeiger.</em> 128: 136-152.
page(s): 151 [details] Available for editors
ecology source Korgina, E. M. (1989). Фауна турбеллярий водоемов бассейна верхней Волги (Turbellarian fauna of reservoirs of the upper Volga basin). <em>Биология, систематика и функциональная морфология пресноводных животных (Biology, systematics, and functional morphology of freshwater animals).</em> 56 (59): 3–17. [details] Available for editors
additional source (of Dalyellia expedita Hofsten, 1907) Graff, L. von. (1909). IV. Turbellaria, Strudelwürmer. I. Teil : Allgemeines und Rhabdocoelida. <em>Brauer Suesswasserfauna Deutschlands H.</em> 19: 59-142. [details]
additional source (of Vortex graffii Hallez, 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]
source of synonymy (of Microdalyellia (Gieysztoria) rhombigera (Plotnikow, 1905) Ruebush & Hayes, 1939) Luther, A. (1955). Die Dalyelliiden (Turbellaria Neorhabdocoela), eine Monographie. <em>Acta Zoologica Fennica.</em> 87: 1-337.
page(s): 180 [details] Available for editors
source of synonymy (of Dalyellia graffii (Hallez, 1878) Graff, 1905) 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): 93 [details]
redescription (of Dalyellia rhombigera (Plotnikow, 1905) Graff, 1905) 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): 98 [details]
new combination reference (of Microdalyellia (Gieysztoria) rhombigera (Plotnikow, 1905) Ruebush & Hayes, 1939) Ruebush, T. K.; Hayes, W. J. Jr. (1939). The genus Dalyellia in America II. <em>Zoologischer Anzeiger.</em> 128: 136-152.
page(s): 151; note: This is the only place where this combination occurs. Not mentioned by Luther (1955: p. 180) who mentions Dalyellia rhombigera as a synonym of G. expedita. [details] Available for editors
new combination reference (of Microdalyellia expedita (Hofsten, 1907) Gieysztor, 1938) Gieysztor, M. (1938). Uber einige Turbellarien aus dem Süsswasserpsammon. <em>Archives d'Hydrobiologie et d'lchtyologie.</em> 11: 364-382.
page(s): 365 [details] Available for editors
new combination reference (of Dalyellia rhombigera (Plotnikow, 1905) Graff, 1905) Graff, L. von. (1905). Marine Turbellarien Orottavas und der Küsten Europas. <em>Zeitschrift fur wissenschaftlige Zoologie.</em> 83: 68-150. With 6 plates., available online at https://www.biodiversitylibrary.org/page/43242488
page(s): 102 [details]
new combination reference (of Microdalyellia (Gieysztoria) graffii (Hallez, 1878) Ruebush & Hayes, 1939) Ruebush, T. K.; Hayes, W. J. Jr. (1939). The genus Dalyellia in America II. <em>Zoologischer Anzeiger.</em> 128: 136-152.
page(s): 151 [details] Available for editors
new combination reference (of Dalyellia graffii (Hallez, 1878) Graff, 1905) Graff, L. von. (1905). Marine Turbellarien Orottavas und der Küsten Europas. <em>Zeitschrift fur wissenschaftlige Zoologie.</em> 83: 68-150. With 6 plates., available online at https://www.biodiversitylibrary.org/page/43242488
page(s): 102 [details]
status source (of Dalyellia graffii (Hallez, 1878) Graff, 1905) Luther, A. (1955). Die Dalyelliiden (Turbellaria Neorhabdocoela), eine Monographie. <em>Acta Zoologica Fennica.</em> 87: 1-337.
page(s): 180; note: According to Luther (1955), the species is so badly known that the name is better forgotten than synonymised with G. expedita. [details] Available for editors
page(s): 520 [details]
original description (of Vortex graffii Hallez, 1878) Hallez, P. (1879). Contributions a l'histoire naturelle des Turbellariés. <em>Travaux de l'institut zoologique de Lille et de la station marine de Wimereux.</em> 2e Édition. Imprimerie L. Danel. Lille. 213 pp, 11 plates.
page(s): 163–164 [details]
original description (of Vortex rhombiger Plotnikow, 1905) Plotnikow, W. (1905). Uber einige rhabdocöle Turbellarien Sibiriens. <em>Zoologische Jahrbücher. Abteilung für Systematik, Geographie und Biologie der Tiere.</em> 21: 479–490. 1 plate.
page(s): 485 [details]
taxonomy source Luther, A. (1955). Die Dalyelliiden (Turbellaria Neorhabdocoela), eine Monographie. <em>Acta Zoologica Fennica.</em> 87: 1-337.
page(s): 179–183; note: According to Luther (1955), the species is so badly known that the name is better forgotten than synonymised with G. expedita. He mentiones it, however, in the synonymy list of G. expedita. [details] Available for editors
taxonomy source (of Microdalyellia (Gieysztoria) expedita (Hofsten, 1907) Gieysztor, 1938) Ruebush, T. K.; Hayes, W. J. Jr. (1939). The genus Dalyellia in America II. <em>Zoologischer Anzeiger.</em> 128: 136-152.
page(s): 151 [details] Available for editors
ecology source Korgina, E. M. (1989). Фауна турбеллярий водоемов бассейна верхней Волги (Turbellarian fauna of reservoirs of the upper Volga basin). <em>Биология, систематика и функциональная морфология пресноводных животных (Biology, systematics, and functional morphology of freshwater animals).</em> 56 (59): 3–17. [details] Available for editors
additional source (of Dalyellia expedita Hofsten, 1907) Graff, L. von. (1909). IV. Turbellaria, Strudelwürmer. I. Teil : Allgemeines und Rhabdocoelida. <em>Brauer Suesswasserfauna Deutschlands H.</em> 19: 59-142. [details]
additional source (of Vortex graffii Hallez, 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]
source of synonymy (of Microdalyellia (Gieysztoria) rhombigera (Plotnikow, 1905) Ruebush & Hayes, 1939) Luther, A. (1955). Die Dalyelliiden (Turbellaria Neorhabdocoela), eine Monographie. <em>Acta Zoologica Fennica.</em> 87: 1-337.
page(s): 180 [details] Available for editors
source of synonymy (of Dalyellia graffii (Hallez, 1878) Graff, 1905) 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): 93 [details]
redescription (of Dalyellia rhombigera (Plotnikow, 1905) Graff, 1905) 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): 98 [details]
new combination reference (of Microdalyellia (Gieysztoria) rhombigera (Plotnikow, 1905) Ruebush & Hayes, 1939) Ruebush, T. K.; Hayes, W. J. Jr. (1939). The genus Dalyellia in America II. <em>Zoologischer Anzeiger.</em> 128: 136-152.
page(s): 151; note: This is the only place where this combination occurs. Not mentioned by Luther (1955: p. 180) who mentions Dalyellia rhombigera as a synonym of G. expedita. [details] Available for editors
new combination reference (of Microdalyellia expedita (Hofsten, 1907) Gieysztor, 1938) Gieysztor, M. (1938). Uber einige Turbellarien aus dem Süsswasserpsammon. <em>Archives d'Hydrobiologie et d'lchtyologie.</em> 11: 364-382.
page(s): 365 [details] Available for editors
new combination reference (of Dalyellia rhombigera (Plotnikow, 1905) Graff, 1905) Graff, L. von. (1905). Marine Turbellarien Orottavas und der Küsten Europas. <em>Zeitschrift fur wissenschaftlige Zoologie.</em> 83: 68-150. With 6 plates., available online at https://www.biodiversitylibrary.org/page/43242488
page(s): 102 [details]
new combination reference (of Microdalyellia (Gieysztoria) graffii (Hallez, 1878) Ruebush & Hayes, 1939) Ruebush, T. K.; Hayes, W. J. Jr. (1939). The genus Dalyellia in America II. <em>Zoologischer Anzeiger.</em> 128: 136-152.
page(s): 151 [details] Available for editors
new combination reference (of Dalyellia graffii (Hallez, 1878) Graff, 1905) Graff, L. von. (1905). Marine Turbellarien Orottavas und der Küsten Europas. <em>Zeitschrift fur wissenschaftlige Zoologie.</em> 83: 68-150. With 6 plates., available online at https://www.biodiversitylibrary.org/page/43242488
page(s): 102 [details]
status source (of Dalyellia graffii (Hallez, 1878) Graff, 1905) Luther, A. (1955). Die Dalyelliiden (Turbellaria Neorhabdocoela), eine Monographie. <em>Acta Zoologica Fennica.</em> 87: 1-337.
page(s): 180; note: According to Luther (1955), the species is so badly known that the name is better forgotten than synonymised with G. expedita. [details] Available for editors
Present Inaccurate Introduced: alien Containing type locality
From editor or global species database
Status According to Luther (1955), the species is so badly known that the name is better forgotten than synonymised with G. expedita. He mentiones it, however, in the synonymy list of G. expedita. [details]
