Turbellarians taxon details
Porrocystis assimilis (Levinsen, 1879) Karling, 1952
155611 (urn:lsid:marinespecies.org:taxname:155611)
accepted
Species
Gyrator assimilis Levinsen, 1879 · unaccepted
Macrorhynchus assimilis (Levinsen, 1879) Graff, 1882 · unaccepted
Phonorhynchus assimilis · unaccepted (This combination only occurs in...)
This combination only occurs in the list of synonyms of Porrocystis assimilis in the PhD thesis of Schockaert, followed by Artois in his PhD thesis. See the nomenclatural note.
Polycystis assimilis (Levinsen, 1879) Graff, 1913 · unaccepted
Porrocystis drygalskii Reisinger, 1926 · unaccepted (Synonym)
marine, brackish, fresh, terrestrial
recent only
(of Gyrator assimilis Levinsen, 1879) Levinsen, G.M.R. (1879). Bidrag til Kundskab om Grønlands Turbellariefauna. <em>Vidensk. Meddel. fra den naturh. Foren. i. Kjobenhavn 1879-1880.</em> 165-204. With one table. [details] 
Tyler, S., Artois, T.; Schilling, S.; Hooge, M.; Bush, L.F. (eds) (2006-2024). World List of turbellarian worms: Acoelomorpha, Catenulida, Rhabditophora. Porrocystis assimilis (Levinsen, 1879) Karling, 1952. Accessed at: https://www.marinespecies.org/turbellarians/aphia.php?p=taxdetails&id=155611 on 2026-08-02
Date
action
by
original description
(of Gyrator assimilis Levinsen, 1879) Levinsen, G.M.R. (1879). Bidrag til Kundskab om Grønlands Turbellariefauna. <em>Vidensk. Meddel. fra den naturh. Foren. i. Kjobenhavn 1879-1880.</em> 165-204. With one table. [details]
original description (of Porrocystis drygalskii Reisinger, 1926) Reisinger, E. (1926). Zur Turbellarienfauna der Antarktis. <em>Deutsche Südpolar Expedition 1901-1903.</em> 417-462.
page(s): 418-429, fig 1-6 [details] Available for editors
additional source Evdonin, L. A. (1970). The proboscis apparatus in the family Polycystidae (Turbellaria, Neorhabdocoela, Kalyptorhynchia). <em>In: "Studies in the evolutionary morphology of invertebrates". Ed. A.V. Ivanov. State University Leningrad.</em> 5–53. [details] Available for editors
additional source Karling, T. G. (1953). Zur kenntnis der gattung Rogneda Uljanin (Turbellaria, Kalyptorhynchia). <em>Arkiv för Zoologi.</em> 5: 349-368. [details] Available for editors
additional source Karling, T. G. (1956). Morphologisch-histologische Untersuchungen an den männlichen Atrialorganen der Kalyptorhynchia (Turbellaria). <em>Arkiv för Zoologi.</em> 9: 187-277. [details] Available for editors
additional source Marcus, Er. (1954). Reports of the lund university Chile expedition 1948-49. 11. <em>Lunds Universitets Arsskrift.</em> 49: 3-114. (look up in IMIS) [details] Available for editors
additional source Steinböck, O. (1932). Die Turbellarien des arktischen Gebietes. <em>Fauna arctica.</em> 297-342. [details] Available for editors
additional source Meixner, J. (1928). Aberrante Kalyptorhynchia (Turbellaria: Rhabdocoela) aus dem Sande der Kieler Bucht. <em>Zoologisher Anzeiger.</em> 77: 229-253. [details]
additional source Beauchamp, P. de. (1961). Triclades Paludicoles d'Afghanistan (Deuxième note). <em>Fysigr Saellsk Lund foerhandl.</em> 31(8): 77-85. [details]
new combination reference Karling, T. G. (1952). Kalyptorhynchia (Turbellaria) Further zoological results of the Swedish Antarctic expedition 1901-1903. <em>Norstedt & Soener, Stockholm.</em> 4(9):1-50. [details] Available for editors
basis of record (of Phonorhynchus assimilis) Schockaert. (1973). Monographie der Polycystidae (Turbellaria, Kalyptorhynchia). <em>PhD thesis (RUG).</em> pp 229 (in Dutch). [details]
additional source (of Phonorhynchus assimilis) Artois, T. (2001). Cladistic analysis of the Polycystididae (Platyhelminthes Kalyptorhynchia), with application of phylogenetic nomenclature. <em>PhD Thesis. Limburgs Universitair Centrum: Diepenbeek.</em> [1: Text, 2: Figures] pp. (look up in IMIS) [details]
additional source (of Macrorhynchus assimilis (Levinsen, 1879) Graff, 1882) 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]
source of synonymy (of Porrocystis drygalskii Reisinger, 1926) Karling, T. G. (1952). Kalyptorhynchia (Turbellaria) Further zoological results of the Swedish Antarctic expedition 1901-1903. <em>Norstedt & Soener, Stockholm.</em> 4(9):1-50.
page(s): 4 [details] Available for editors
new combination reference (of Polycystis assimilis (Levinsen, 1879) Graff, 1913) 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 [details]
new combination reference (of Macrorhynchus assimilis (Levinsen, 1879) 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 [details]
original description (of Porrocystis drygalskii Reisinger, 1926) Reisinger, E. (1926). Zur Turbellarienfauna der Antarktis. <em>Deutsche Südpolar Expedition 1901-1903.</em> 417-462.
page(s): 418-429, fig 1-6 [details] Available for editors
additional source Evdonin, L. A. (1970). The proboscis apparatus in the family Polycystidae (Turbellaria, Neorhabdocoela, Kalyptorhynchia). <em>In: "Studies in the evolutionary morphology of invertebrates". Ed. A.V. Ivanov. State University Leningrad.</em> 5–53. [details] Available for editors
additional source Karling, T. G. (1953). Zur kenntnis der gattung Rogneda Uljanin (Turbellaria, Kalyptorhynchia). <em>Arkiv för Zoologi.</em> 5: 349-368. [details] Available for editors
additional source Karling, T. G. (1956). Morphologisch-histologische Untersuchungen an den männlichen Atrialorganen der Kalyptorhynchia (Turbellaria). <em>Arkiv för Zoologi.</em> 9: 187-277. [details] Available for editors
additional source Marcus, Er. (1954). Reports of the lund university Chile expedition 1948-49. 11. <em>Lunds Universitets Arsskrift.</em> 49: 3-114. (look up in IMIS) [details] Available for editors
additional source Steinböck, O. (1932). Die Turbellarien des arktischen Gebietes. <em>Fauna arctica.</em> 297-342. [details] Available for editors
additional source Meixner, J. (1928). Aberrante Kalyptorhynchia (Turbellaria: Rhabdocoela) aus dem Sande der Kieler Bucht. <em>Zoologisher Anzeiger.</em> 77: 229-253. [details]
additional source Beauchamp, P. de. (1961). Triclades Paludicoles d'Afghanistan (Deuxième note). <em>Fysigr Saellsk Lund foerhandl.</em> 31(8): 77-85. [details]
new combination reference Karling, T. G. (1952). Kalyptorhynchia (Turbellaria) Further zoological results of the Swedish Antarctic expedition 1901-1903. <em>Norstedt & Soener, Stockholm.</em> 4(9):1-50. [details] Available for editors
basis of record (of Phonorhynchus assimilis) Schockaert. (1973). Monographie der Polycystidae (Turbellaria, Kalyptorhynchia). <em>PhD thesis (RUG).</em> pp 229 (in Dutch). [details]
additional source (of Phonorhynchus assimilis) Artois, T. (2001). Cladistic analysis of the Polycystididae (Platyhelminthes Kalyptorhynchia), with application of phylogenetic nomenclature. <em>PhD Thesis. Limburgs Universitair Centrum: Diepenbeek.</em> [1: Text, 2: Figures] pp. (look up in IMIS) [details]
additional source (of Macrorhynchus assimilis (Levinsen, 1879) Graff, 1882) 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]
source of synonymy (of Porrocystis drygalskii Reisinger, 1926) Karling, T. G. (1952). Kalyptorhynchia (Turbellaria) Further zoological results of the Swedish Antarctic expedition 1901-1903. <em>Norstedt & Soener, Stockholm.</em> 4(9):1-50.
page(s): 4 [details] Available for editors
new combination reference (of Polycystis assimilis (Levinsen, 1879) Graff, 1913) 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 [details]
new combination reference (of Macrorhynchus assimilis (Levinsen, 1879) 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 [details]
Present Inaccurate Introduced: alien Containing type locality
From editor or global species database
Habitat 350m 12-30m 234-515m [details]
To Biodiversity Heritage Library (2 publications) (from synonym Polycystis assimilis (Levinsen, 1879) Graff, 1913)
To Biodiversity Heritage Library (2 publications) (from synonym Gyrator assimilis Levinsen, 1879)
To the Turbellarian Taxonomic Database
(from synonym Gyrator assimilis Levinsen, 1879)
To the Turbellarian Taxonomic Database
(from synonym Macrorhynchus assimilis (Levinsen, 1879) Graff, 1882)
To the Turbellarian Taxonomic Database
To the Turbellarian Taxonomic Database
(from synonym Polycystis assimilis (Levinsen, 1879) Graff, 1913)
To the Turbellarian Taxonomic Database
(from synonym Phonorhynchus assimilis)
To the Turbellarian Taxonomic Database
(from synonym Porrocystis drygalskii Reisinger, 1926)
To Biodiversity Heritage Library (2 publications) (from synonym Gyrator assimilis Levinsen, 1879)
To the Turbellarian Taxonomic Database
(from synonym Gyrator assimilis Levinsen, 1879)To the Turbellarian Taxonomic Database
(from synonym Macrorhynchus assimilis (Levinsen, 1879) Graff, 1882)To the Turbellarian Taxonomic Database
To the Turbellarian Taxonomic Database
(from synonym Polycystis assimilis (Levinsen, 1879) Graff, 1913)To the Turbellarian Taxonomic Database
(from synonym Phonorhynchus assimilis)To the Turbellarian Taxonomic Database
(from synonym Porrocystis drygalskii Reisinger, 1926)From editor or global species database
Image from synonym