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Species:
Keratella irregularis (Lauterborn, 1898)
Valid Name:
There is no data to display.
Parent taxa:             Genus / Family / Order / Superorder / Subclass / Class
Keratella: Brachionidae: Ploima: Pseudotrocha: Monogononta: Eurotatoria
Taxonomic / nomenclatural notes:
• not Keratella cochlearis irregularis (Lauterborn) after Daems & Dumont (1974) [Ref.17116] [=Keratella cochlearis (Gosse)].
• Originally proposed as infrasubspecific variant, made available nomenclaturally at specific rank by Ahlstrom (1943:430) [Ref.16986].
Nomenclatural status:
name in current use
Species group name declinable:
yes
Validity:
valid
Taxon Rank:
Species
Availability:
available
Original Combination:
Anuraea cochlearis var. irregularis
Original Spelling:
Anuraea cochlearis var. irregularis
Latest Revision:
Koste, W (1978): Rotatoria. Die Rädertiere Mitteleuropas. Ein Bestimmungswerk, begründet von Max Voigt. Überordnung Monogononta. 673, 234 pls.
Page last modified on: 26.09.2016 by C.D. Jersabek
Original description
 
Lauterborn, R (1898): Zoologischer Anzeiger 21
p.601, fig.5
Lauterborn, R (1898): Zoologischer Anzeiger 21 p.601, fig.5
Literature documentations
 
Lauterborn, R (1900): Verhandlungen des naturhistorisch-medizinischen Vereins zu Heidelberg 6
Lauterborn, R (1900): Verhandlungen des naturhistorisch-medizinischen Vereins zu Heidelberg 6
Displaying items 1 - 1 of 15
Observation images Not available!
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Identification
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Ahlstrom, E H, 1943 Bulletin of the American Museum of Natural History80
Bartoš, E, 1946 Časopis Národního musea, oddíl přírodovědný115 
De Manuel, J, 1991 Verhandlungen der internationalen Vereinigung für Limnologie24 
Donner, J, 1954 Österreichische Zoologische Zeitschrift5Keratella stipitata var. irregularis (Lauterborn, 1898)
Donner, J, 1972 Archiv für Hydrobiologie, Supplement44 
Donner, J, 1978 Archiv für Hydrobiologie, Supplement52 
Hauer, J, 1952 Archiv für Hydrobiologie, Supplement20 
Koste, W, 1976 Osnabrücker naturwissenschaftliche Mitteilungen4 
Koste, W, 1978 Rotatoria. Die Rädertiere Mitteleuropas. Ein Bestimmungswerk, begründet von Max Voigt. Überordnung Monogononta.  
Kutikova, L A, 1968 Trudy Zoologicheskogo Instituta Akademii Nauk SSSR45 
Kutikova, L A, 1970 Fauna SSSR104 
Lauterborn, R, 1898 Zoologischer Anzeiger21
Lauterborn, R, 1900 Verhandlungen des naturhistorisch-medizinischen Vereins zu Heidelberg6
Nipkow, F, 1961 Schweizerische Zeitschrift für Hydrologie23 
Pejler, B, 1962 Zoologiska Bidrag från Uppsala35 
Displaying items 1 - 15 of 15
Taxon(sorted ascending)
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Nomenclatural Status
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Keratella irregularis f. angulifera (Lauterborn, 1900) junior subjective synonym of nominotypical taxon
Keratella irregularis f. connectens (Lauterborn, 1900) junior subjective synonym of nominotypical taxon
Keratella irregularis f. ecaudata (Lauterborn, 1900) no nomenclatural status
Keratella irregularis f. recta Hauer, 1952 no nomenclatural status
Keratella irregularis f. wartmanni (Asper & Heuscher, 1889) junior subjective synonym of nominotypical taxon
Displaying items 1 - 5 of 5
Taxon(sorted ascending)
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Keratella irregularis f. angulifera (Lauterborn, 1900) junior subjective synonym of nominotypical taxonFormaavailable
Keratella irregularis f. connectens (Lauterborn, 1900) junior subjective synonym of nominotypical taxonFormaavailable
Keratella irregularis f. ecaudata (Lauterborn, 1900) no nomenclatural statusFormanot available
Keratella irregularis f. recta Hauer, 1952 no nomenclatural statusFormanot available
Keratella irregularis f. wartmanni (Asper & Heuscher, 1889) junior subjective synonym of nominotypical taxonFormaavailable
Displaying items 1 - 5 of 5
IUILocality(sorted ascending)
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  Open water / Pond, freshwater12.08.1986CJ unpubl. / - / Unpublished Information, own observations (CJ)1
F
  Open water / Pond, freshwater24.08.1986CJ unpubl. / - / Unpublished Information, own observations (CJ)1
F
  Open water / Lake, freshwater (ultraoligotrophic)15.09.2019CJ unpubl. / - / Unpublished Information, own observations (CJ)1
F
? - / -01.01.1936Collection / - / Specimen preparations2048
C
  Open water / Pond, freshwater09.07.2014CJ unpubl. / - / Unpublished Information, own observations (CJ)1
F
  Open water / Pond, freshwater (eutrophic)18.08.2009CJ unpubl. / - / Unpublished Information, own observations (CJ)1
F
  Open water / Lake, freshwater10.07.2019CJ unpubl. / - / Unpublished Information, own observations (CJ)1
F
  Open water / Lake, freshwater (oligotrophic)21.09.1998CJ unpubl. / - / Unpublished Information, own observations (CJ)1
F
  Open water / Lake, freshwater04.07.2016CJ unpubl. / - / Unpublished Information, own observations (CJ)1
F
  Open water / Lake, freshwater (eutrophic)08.09.1997CJ unpubl. / - / Unpublished Information, own observations (CJ)1
F
  Open water / Pond, freshwater (fishpond)26.08.1986CJ unpubl. / - / Unpublished Information, own observations (CJ)1
F
  Open water / Lake, freshwater (oligotrophic)20.06.2012CJ unpubl. / - / Unpublished Information, own observations (CJ)1
F
  Open water / Pond, freshwater29.06.2016CJ unpubl. / - / Unpublished Information, own observations (CJ)1
F
  Open water / Pond, freshwater10.07.2012CJ unpubl. / - / Unpublished Information, own observations (CJ)1
F
  Open water / Lake, freshwater12.06.2012CJ unpubl. / - / Unpublished Information, own observations (CJ)1
F
  Open water / Pond, freshwater02.07.2014CJ unpubl. / - / Unpublished Information, own observations (CJ)1
F
  Open water / Bog pond26.08.1986CJ unpubl. / - / Unpublished Information, own observations (CJ)1
F
  Open water / Lake, freshwater (mesotrophic)07.09.1998CJ unpubl. / - / Unpublished Information, own observations (CJ)1
F
  Open water / Lake, freshwater07.07.2011CJ unpubl. / - / Unpublished Information, own observations (CJ)1
F
  Open water / Lake, freshwater18.06.2010CJ unpubl. / - / Unpublished Information, own observations (CJ)1
F
Displaying items 1 - 20 of 45
Repository
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ANSP 0655 Keratella irregularis (Lauterborn, 1898)
Orig.Id.: Keratella cochlearis f. angulifera (Lauterborn, 1900)
 females3 
ANSP 0656 Keratella irregularis (Lauterborn, 1898)
Orig.Id.: Keratella cochlearis f. connectens (Lauterborn, 1900)
 females7 
ANSP 1363 Keratella irregularis (Lauterborn, 1898)
Orig.Id.: Keratella cochlearis f. angulifera (Lauterborn, 1900)
 females2 
ANSP 1364 Keratella irregularis (Lauterborn, 1898)
Orig.Id.: Keratella cochlearis angulifera (Lauterborn, 1900)
?females9 
ANSP 1365 Keratella irregularis (Lauterborn, 1898)
Orig.Id.: Keratella cochlearis angulifera (Lauterborn, 1900)
?females5 
Displaying items 1 - 5 of 5
Geographical Range:
Discontinuous range, incl. Holarctic and Afrotropis.
Macrohabitat:
Bog pond; Impoundment, freshwater (natural basin); Lake, freshwater; Lake, freshwater (dystrophic, montane); Lake, freshwater (eutrophic); Lake, freshwater (mesotrophic); Lake, freshwater (oligotrophic); Lake, freshwater (subalpine); Lake, freshwater (ultraoligotrophic); Pond, freshwater; Pond, freshwater (artificial); Pond, freshwater (eutrophic); Pond, freshwater (fishpond);
Microhabitat:
Open water;
Temperature:
5.00°C to 24.00°C, avg=17.91°C, n=11
Redox:
 
Oxygen:
0.70mg/l to 8.60mg/l, avg=6.56mg/l, n=8
Conductivity:
30.00µs/cm to 266.00µs/cm, avg=139.13µs/cm, n=8
Saturation:
9.00% to 115.00%, avg=82.25%, n=8
TDS:
 
PH:
6.30 to 7.50, avg=6.94, n=9
Salinity:
 
Ecology summary:
Euplanktonic in freshwater ponds, lakes, and reservoirs; also in potamoplankton; warm stenothermic summer species, prefers eutrophic conditions (Jersabek & Bolortsetseg, 2010) [Ref.18457]. NB: Ecology and distribution pattern blurred by frequent confusion with K. cochlearis.
Food:
 
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Nearctis- n.s. -- n.s. -- n.s. -- n.s. -- n.s. -doubtful in AFR
NearctisNA1 CanadianNorth AmericaCanadaBritish ColumbiaBritish Columbia - n.o.s. -
Palaearctis- n.s. -- n.s. -- n.s. -- n.s. -- n.s. -doubtful in AFR
PalaearctisP1 EuropeanEuropeAustriaKärntenBezirk Spittal a.d. Drau
PalaearctisP1 EuropeanEuropeAustriaOberösterreichBezirk Gmunden
PalaearctisP1 EuropeanEuropeAustriaOberösterreichBezirk Vöcklabruck
PalaearctisP1 EuropeanEuropeAustriaSalzburgFlachgau
PalaearctisP1 EuropeanEuropeAustriaSalzburgLungau
PalaearctisP1 EuropeanEuropeAustriaSalzburgPinzgau
PalaearctisP1 EuropeanEuropeAustriaSalzburgPongau
PalaearctisP1 EuropeanEuropeAustriaSalzburgTennengau
PalaearctisP1 EuropeanEuropeCzech RepublicJihomoravský kraj (South Moravia)Okres Znojmo
Displaying items 1 - 12 of 12