WoRMS taxon details
Keratella quadrata (Müller, 1786)
134992 (urn:lsid:marinespecies.org:taxname:134992)
accepted
Species
Anuraea aculeata Ehrenberg, 1832 · unaccepted > junior subjective synonym
Anuraea aculeata var. divergens Voigt, 1902 · unaccepted (no nomenclatural_status)
Anuraea aculeata var. longispina Thiébaud, 1912 · unaccepted > superseded combination
Anuraea aculeata var. platei Jägerskiöld, 1894 · unaccepted > superseded combination
Anuraea aculeata vulgata Morozov, 1915 · unaccepted
Anuraea frenzeli Eckstein, 1895 · unaccepted > superseded combination
Anuraea quadridentata Ehrenberg, 1838 · unaccepted > junior objective synonym
Brachionus quadratus Müller, 1786 · unaccepted > superseded combination
Keratella quadrata f. araneosa Ahlstrom, 1943 · unaccepted (no nomenclatural_status)
Keratella quadrata f. baicalensis Gaigalas, 1958 · unaccepted > junior subjective synonym
Keratella quadrata f. klementi Voigt, 1957 · unaccepted (no nomenclatural_status)
Keratella quadrata f. reticulata Carlin, 1943 · unaccepted > junior subjective synonym
Keratella quadrata neali Bērziņš, 1961 · unaccepted > junior subjective synonym
Keratella quadrata var. adnata Ahlstrom, 1943 · unaccepted (no nomenclatural_status)
Keratella quadrata var. frenzeli (Eckstein, 1895) · unaccepted > junior subjective synonym
Keratella quadrata var. longispina (Thiébaud, 1912) · unaccepted > junior subjective synonym
Keratella quadrata var. platei (Jägerskiöld, 1894) · unaccepted > junior subjective synonym
- Subspecies Keratella quadrata dispersa Carlin, 1943
- Subspecies Keratella quadrata frenzeli (Müller, 1786) accepted as
- Subspecies Keratella quadrata reticulata Carlin, 1943 accepted as
- Variety Keratella quadrata var. platei (Jägerskiöld, 1894) accepted as Keratella quadrata (Müller, 1786) (unaccepted > junior subjective synonym)
(of Brachionus quadratus Müller, 1786) Rousselet, C. F. (1889). Note on Brachionus quadratus, a new rotifer. Journal of the Quekett Microscopical Club, (ser. 2) 4, 32-33, pl.4 [details] Available for editors 
[request]
(of Brachionus quadratus Müller, 1786) Müller, O. F. (1786). Animalcula infusoria fluviatilia et marina, quæ detexit, systematice descripsit et ad vivum delineari curavit. Havniæ, 367, pl.1-50, available online at https://biodiversitylibrary.org/page/53299693 [details] Available for editors [request]
[request](of Brachionus quadratus Müller, 1786) Müller, O. F. (1786). Animalcula infusoria fluviatilia et marina, quæ detexit, systematice descripsit et ad vivum delineari curavit. Havniæ, 367, pl.1-50, available online at https://biodiversitylibrary.org/page/53299693 [details] Available for editors
[request]
Taxonomy ?Anuraea aculeata var. brevispina Gosse after Hartmann (1915), Keratella hiemalis Carlin after Bartoš (1946), Bartoš...
Taxonomy The taxonomy of K. quadrata is particularly confused. Validation of the numerous proposed subspecies and infrasubspecific...
Taxonomy ?Anuraea aculeata var. brevispina Gosse after Hartmann (1915), Keratella hiemalis Carlin after Bartoš (1946), Bartoš (1959), Kutikova (1968), Shah et al. (2016), Sharma & Sharma (2018), Sharma & Sharma (2021)_x000d_
not Keratella quadrata (Müller) after George & Fernando (1969)[=Keratella canadensis Bērziņš]; Keratella quadrata (Müller) after De Manuel (1991)[=Keratella valga (Ehrenberg)]_x000d_
Polymorphic species with a number of sub- and infrasubspecific taxa of uncertain taxonomic status. Probably represents a complex of cryptic species with narrower geographic ranges and/or ecological tolerances! [details]
not Keratella quadrata (Müller) after George & Fernando (1969)[=Keratella canadensis Bērziņš]; Keratella quadrata (Müller) after De Manuel (1991)[=Keratella valga (Ehrenberg)]_x000d_
Polymorphic species with a number of sub- and infrasubspecific taxa of uncertain taxonomic status. Probably represents a complex of cryptic species with narrower geographic ranges and/or ecological tolerances! [details]
Taxonomy The taxonomy of K. quadrata is particularly confused. Validation of the numerous proposed subspecies and infrasubspecific...
Taxonomy The taxonomy of K. quadrata is particularly confused. Validation of the numerous proposed subspecies and infrasubspecific variants awaits a thorough revision of the taxon) [details]
Segers, H. (Ed.) (2025). World Rotifera database (FADA). Keratella quadrata (Müller, 1786). Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=134992 on 2025-04-04
Date
action
by
2004-12-21 15:54:05Z
created
db_admin
The webpage text is licensed under a Creative Commons
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Nomenclature
original description
(of Anuraea aculeata Ehrenberg, 1832) Ehrenberg, C.G. (1832). Über die Entwickelung und Lebensdauer der Infusionsthiere; nebst ferneren Beiträgen zu einer Vergleichung ihrer organischen Systeme. <em>Abhandlungen der Königlichen Akademie Wissenschaften zu Berlin, Physikalische Klasse.</em> 1831: 1-154. [details] 
original description (of Anuraea quadridentata Ehrenberg, 1838) Ehrenberg, C. G. (1838). Die Infusionsthierchen als vollkommene Organismen. Ein Blick in das tiefere organische Leben der Natur. Leipzig. Verlag von Leopold Voss, 547, pl.1-64 [details]
original description (of Brachionus quadratus Müller, 1786) Rousselet, C. F. (1889). Note on Brachionus quadratus, a new rotifer. Journal of the Quekett Microscopical Club, (ser. 2) 4, 32-33, pl.4 [details] Available for editors [request]
original description (of Brachionus quadratus Müller, 1786) Müller, O. F. (1786). Animalcula infusoria fluviatilia et marina, quæ detexit, systematice descripsit et ad vivum delineari curavit. Havniæ, 367, pl.1-50, available online at https://biodiversitylibrary.org/page/53299693 [details] Available for editors [request]
original description (of Keratella quadrata var. adnata Ahlstrom, 1943) Ahlstrom, E. H. (1943). A revision of the rotatorian genus Keratella with descriptions of three new species and five new varieties. Bulletin of the American Museum of Natural History, 80, 411-457, pl.35-42 [details] Available for editors [request]
original description (of Anuraea aculeata var. divergens Voigt, 1902) Voigt, M. (1902). Die Rotatorien und Gastrotrichen der Umgebung von Plön. Zoologischer Anzeiger, 25, 673-681 [details] Available for editors [request]
original description (of Keratella quadrata f. araneosa Ahlstrom, 1943) Ahlstrom, E. H. (1943). A revision of the rotatorian genus Keratella with descriptions of three new species and five new varieties. Bulletin of the American Museum of Natural History, 80, 411-457, pl.35-42 [details] Available for editors [request]
original description (of Keratella quadrata f. klementi Voigt, 1957) Voigt, M. (1957). Rotatoria. Die Rädertiere Mitteleuropas. Berlin-Nikolassee. Gebrüder Borntraeger, 2, 508, 115 pls. [details] Available for editors [request]
original description (of Keratella quadrata neali Bērziņš, 1961) Bērziņš, B. (1961). Two new Keratella subspecies from Canada. Journal of the Quekett Microscopical Club, (ser. 4) 5, 437-438 [details] Available for editors [request]
original description (of Keratella quadrata f. reticulata Carlin, 1943) Carlin, B. (1943). Die Planktonrotatorien des Motalaström - zur Taxonomie und Ökologie der Planktonrotatorien. Meddelanden Lunds Universitets Limnologiska Institution, 5, 1-256, pl.1-4 [details] Available for editors [request]
original description (of Keratella quadrata f. baicalensis Gaigalas, 1958) Gaigalas, K. S. (1958). K posnaniu fauni kolovratok ozera Baikal. Izvestiia biologo-geografisheskogo Nauchno-Issledovatel'skogo Instituta pri Gosudarstvennom Irkutskom Universitete, 17, 103-143 [details] Available for editors [request]
original description (of Anuraea aculeata vulgata Morozov, 1915) Morozov, A. V. (1915). Reka Civil'i ee obitateli. Мaterialy k izucheniju presnovodnoj fauny Kazanskoj gubernii. Trudy Obshchestva jestestvoispytatelej pri Imperatorskom Kazanskom Universitete, 47 (3), 1-194 [details] Available for editors [request]
original description (of Anuraea frenzeli Eckstein, 1895) Eckstein, K. (1895). Die Rotatorienfauna des Müggelsees. Zeitschrift für Fischerei und deren Hilfswissenschaften, 3, 261-266 [details] Available for editors [request]
original description (of Anuraea aculeata var. platei Jägerskiöld, 1894) Jägerskiöld, L. A. (1894). Über zwei baltische Varietäten der Gattung Anurea. Zoologischer Anzeiger, 17, 17-20 [details] Available for editors [request]
original description (of Anuraea aculeata var. longispina Thiébaud, 1912) Thiébaud, M. (1912). Les rotateurs du Canton Neuchatel. Bulletin de la Société Neuchâteloise des Sciences Naturelles, 38, 1-16 [details] Available for editors [request]
basis of record O'Reilly, M. (2001). Rotifera, <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. 149-151 (look up in IMIS) [details]
original description (of Anuraea quadridentata Ehrenberg, 1838) Ehrenberg, C. G. (1838). Die Infusionsthierchen als vollkommene Organismen. Ein Blick in das tiefere organische Leben der Natur. Leipzig. Verlag von Leopold Voss, 547, pl.1-64 [details]
original description (of Brachionus quadratus Müller, 1786) Rousselet, C. F. (1889). Note on Brachionus quadratus, a new rotifer. Journal of the Quekett Microscopical Club, (ser. 2) 4, 32-33, pl.4 [details] Available for editors
[request]original description (of Brachionus quadratus Müller, 1786) Müller, O. F. (1786). Animalcula infusoria fluviatilia et marina, quæ detexit, systematice descripsit et ad vivum delineari curavit. Havniæ, 367, pl.1-50, available online at https://biodiversitylibrary.org/page/53299693 [details] Available for editors
[request]original description (of Keratella quadrata var. adnata Ahlstrom, 1943) Ahlstrom, E. H. (1943). A revision of the rotatorian genus Keratella with descriptions of three new species and five new varieties. Bulletin of the American Museum of Natural History, 80, 411-457, pl.35-42 [details] Available for editors
[request]original description (of Anuraea aculeata var. divergens Voigt, 1902) Voigt, M. (1902). Die Rotatorien und Gastrotrichen der Umgebung von Plön. Zoologischer Anzeiger, 25, 673-681 [details] Available for editors
[request]original description (of Keratella quadrata f. araneosa Ahlstrom, 1943) Ahlstrom, E. H. (1943). A revision of the rotatorian genus Keratella with descriptions of three new species and five new varieties. Bulletin of the American Museum of Natural History, 80, 411-457, pl.35-42 [details] Available for editors
[request]original description (of Keratella quadrata f. klementi Voigt, 1957) Voigt, M. (1957). Rotatoria. Die Rädertiere Mitteleuropas. Berlin-Nikolassee. Gebrüder Borntraeger, 2, 508, 115 pls. [details] Available for editors
[request]original description (of Keratella quadrata neali Bērziņš, 1961) Bērziņš, B. (1961). Two new Keratella subspecies from Canada. Journal of the Quekett Microscopical Club, (ser. 4) 5, 437-438 [details] Available for editors
[request]original description (of Keratella quadrata f. reticulata Carlin, 1943) Carlin, B. (1943). Die Planktonrotatorien des Motalaström - zur Taxonomie und Ökologie der Planktonrotatorien. Meddelanden Lunds Universitets Limnologiska Institution, 5, 1-256, pl.1-4 [details] Available for editors
[request]original description (of Keratella quadrata f. baicalensis Gaigalas, 1958) Gaigalas, K. S. (1958). K posnaniu fauni kolovratok ozera Baikal. Izvestiia biologo-geografisheskogo Nauchno-Issledovatel'skogo Instituta pri Gosudarstvennom Irkutskom Universitete, 17, 103-143 [details] Available for editors
[request]original description (of Anuraea aculeata vulgata Morozov, 1915) Morozov, A. V. (1915). Reka Civil'i ee obitateli. Мaterialy k izucheniju presnovodnoj fauny Kazanskoj gubernii. Trudy Obshchestva jestestvoispytatelej pri Imperatorskom Kazanskom Universitete, 47 (3), 1-194 [details] Available for editors
[request]original description (of Anuraea frenzeli Eckstein, 1895) Eckstein, K. (1895). Die Rotatorienfauna des Müggelsees. Zeitschrift für Fischerei und deren Hilfswissenschaften, 3, 261-266 [details] Available for editors
[request]original description (of Anuraea aculeata var. platei Jägerskiöld, 1894) Jägerskiöld, L. A. (1894). Über zwei baltische Varietäten der Gattung Anurea. Zoologischer Anzeiger, 17, 17-20 [details] Available for editors
[request]original description (of Anuraea aculeata var. longispina Thiébaud, 1912) Thiébaud, M. (1912). Les rotateurs du Canton Neuchatel. Bulletin de la Société Neuchâteloise des Sciences Naturelles, 38, 1-16 [details] Available for editors
[request]basis of record O'Reilly, M. (2001). Rotifera, <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. 149-151 (look up in IMIS) [details]
Other
context source (RAS)
Phillips, L.M., R.I. Leihy & S.L. Chown. (2022). Improving species‐based area protection in Antarctica. <em>Conservation Biology.</em> 36(4): e13885.Aug 2022., available online at https://doi.org/10.1111/cobi.13885 [details]
context source (Schelde) Maris, T.; Oosterlee, L.; Meire, P. (2015). Onderzoek naar de gevolgen van het Sigmaplan, baggeractiviteiten en havenuitbreiding in de Zeeschelde op het milieu. Geïntegreerd eindverslag van het onderzoek verricht in 2013. <em>ECOBE 015-R173. Universiteit Antwerpen: Antwerpen.</em> (look up in IMIS) [details]
additional source Segers, H. (2007). Annotated checklist of the rotifers (Phylum Rotifera), with notes on nomenclature, taxonomy and distribution. Zootaxa, 1564, 1-104, available online at http://www.mapress.com/zootaxa/2007f/zt01564p104.pdf [details] Available for editors [request]
additional source Koste, W. (1978). Rotatoria. Die Rädertiere Mitteleuropas. Ein Bestimmungswerk, begründet von Max Voigt. Überordnung Monogononta. Berlin, Stuttgart. Gebrüder Borntraeger, 2, 673, 234 pls. [details] Available for editors [request]
additional source Phillips, L.M., R.I. Leihy & S.L. Chown. (2022). Improving species‐based area protection in Antarctica. <em>Conservation Biology.</em> 36(4): e13885.Aug 2022., available online at https://doi.org/10.1111/cobi.13885 [details]
additional source Integrated Taxonomic Information System (ITIS). , available online at http://www.itis.gov [details]
context source (Schelde) Maris, T.; Oosterlee, L.; Meire, P. (2015). Onderzoek naar de gevolgen van het Sigmaplan, baggeractiviteiten en havenuitbreiding in de Zeeschelde op het milieu. Geïntegreerd eindverslag van het onderzoek verricht in 2013. <em>ECOBE 015-R173. Universiteit Antwerpen: Antwerpen.</em> (look up in IMIS) [details]
additional source Segers, H. (2007). Annotated checklist of the rotifers (Phylum Rotifera), with notes on nomenclature, taxonomy and distribution. Zootaxa, 1564, 1-104, available online at http://www.mapress.com/zootaxa/2007f/zt01564p104.pdf [details] Available for editors
[request]additional source Koste, W. (1978). Rotatoria. Die Rädertiere Mitteleuropas. Ein Bestimmungswerk, begründet von Max Voigt. Überordnung Monogononta. Berlin, Stuttgart. Gebrüder Borntraeger, 2, 673, 234 pls. [details] Available for editors
[request]additional source Phillips, L.M., R.I. Leihy & S.L. Chown. (2022). Improving species‐based area protection in Antarctica. <em>Conservation Biology.</em> 36(4): e13885.Aug 2022., available online at https://doi.org/10.1111/cobi.13885 [details]
additional source Integrated Taxonomic Information System (ITIS). , available online at http://www.itis.gov [details]
Present Present in aphia/obis/gbif/idigbio Inaccurate Introduced: alien Containing type locality
From editor or global species database
Taxonomy ?Anuraea aculeata var. brevispina Gosse after Hartmann (1915), Keratella hiemalis Carlin after Bartoš (1946), Bartoš (1959), Kutikova (1968), Shah et al. (2016), Sharma & Sharma (2018), Sharma & Sharma (2021)_x000d_not Keratella quadrata (Müller) after George & Fernando (1969)[=Keratella canadensis Bērziņš]; Keratella quadrata (Müller) after De Manuel (1991)[=Keratella valga (Ehrenberg)]_x000d_
Polymorphic species with a number of sub- and infrasubspecific taxa of uncertain taxonomic status. Probably represents a complex of cryptic species with narrower geographic ranges and/or ecological tolerances! [details]
Unreviewed
Taxonomy The taxonomy of K. quadrata is particularly confused. Validation of the numerous proposed subspecies and infrasubspecific variants awaits a thorough revision of the taxon) [details]
To Barcode of Life (11 barcodes)
To Biodiversity Heritage Library (156 publications) (from synonym Anuraea aculeata Ehrenberg, 1832)
To Biodiversity Heritage Library (47 publications)
To European Nucleotide Archive, ENA (Keratella quadrata)
To GenBank (55 nucleotides; 12 proteins)
To PESI
To USNM Invertebrate Zoology Rotifera Collection
To Yale Peabody Museum of Natural History (YPM IZ 101089)
To ITIS
To Biodiversity Heritage Library (156 publications) (from synonym Anuraea aculeata Ehrenberg, 1832)
To Biodiversity Heritage Library (47 publications)
To European Nucleotide Archive, ENA (Keratella quadrata)
To GenBank (55 nucleotides; 12 proteins)
To PESI
To USNM Invertebrate Zoology Rotifera Collection
To Yale Peabody Museum of Natural History (YPM IZ 101089)
To ITIS
