WoRMS taxon details
Colurella obtusa (Gosse, 1886)
148303 (urn:lsid:marinespecies.org:taxname:148303)
accepted
Species
Colurella obtusa f. aperta Hauer, 1936 · unaccepted > junior subjective synonym
Colurella obtusa f. clausa Hauer, 1936 · unaccepted > junior subjective synonym
Colurus obtusus Gosse, 1886 · unaccepted > superseded combination
marine, brackish, fresh
recent only
(of Colurus obtusus Gosse, 1886) Hudson, C. T.; Gosse, P. H. (1886). The Rotifera; or wheel-animalcules, both British and foreign. London. Longmans, Green, and Co., I+II, 2, VI+128, pl.1-15; 144, pl.A-D,16-30, available online at https://www.biodiversitylibrary.org/page/10664748
page(s): v.2, p.103, pl.26, fig.3 [details] Available for editors
[request]
page(s): v.2, p.103, pl.26, fig.3 [details] Available for editors
[request]
Taxonomy • ?Colurella uncinata (Müller) after Dujardin (1841);
not Colurella obtusa (Gosse) after Yamamoto (1953) [identity...
not Colurella obtusa (Gosse) after Yamamoto (1953) [identity...
Taxonomy • ?Colurella uncinata (Müller) after Dujardin (1841);
not Colurella obtusa (Gosse) after Yamamoto (1953) [identity unclear]; Pejler (1962 partim:figs.56,57) [=Colurella tesselata (Glascott)]; Pejler (1962 partim:fig.61) [=C. uncinata (Müller)].
• Taxonomic status of this polymorphic species and a number of infraspecific taxa included therein require further investigation. It probably represents a complex of cryptic species with narrower geographic ranges and/or ecological tolerances. [details]
not Colurella obtusa (Gosse) after Yamamoto (1953) [identity unclear]; Pejler (1962 partim:figs.56,57) [=Colurella tesselata (Glascott)]; Pejler (1962 partim:fig.61) [=C. uncinata (Müller)].
• Taxonomic status of this polymorphic species and a number of infraspecific taxa included therein require further investigation. It probably represents a complex of cryptic species with narrower geographic ranges and/or ecological tolerances. [details]
Jersabek, C. D.; Segers H.; Leitner M. (2026). Rotifer World Catalog (RWC). Colurella obtusa (Gosse, 1886). Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=148303 on 2026-01-14
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Nomenclature
original description
(of Colurella obtusa f. aperta Hauer, 1936) Hauer, J. (1936). Rädertiere aus dem Naturschutzgebiet Weingartener Moor. Beiträge zur naturkundlichen Forschung in Südwestdeutschland, 1, 129-152, pl.1-2
page(s): p.139, pl.1, fig.8a [details] Available for editors [request]
original description (of Colurella obtusa f. clausa Hauer, 1936) Hauer, J. (1936). Rädertiere aus dem Naturschutzgebiet Weingartener Moor. Beiträge zur naturkundlichen Forschung in Südwestdeutschland, 1, 129-152, pl.1-2
page(s): p.139, pl.1, fig.8c [details] Available for editors [request]
original description (of Colurus obtusus Gosse, 1886) Hudson, C. T.; Gosse, P. H. (1886). The Rotifera; or wheel-animalcules, both British and foreign. London. Longmans, Green, and Co., I+II, 2, VI+128, pl.1-15; 144, pl.A-D,16-30, available online at https://www.biodiversitylibrary.org/page/10664748
page(s): v.2, p.103, pl.26, fig.3 [details] Available for editors [request]
basis of record De Ridder, M. (1963). Recherches sur les Rotifières des eaux saumâtres: 10. Les Rotifières planktoniques de Nieuport et environs [Research on Rotifera of brackish waters: 10. The planktonic Rotifera of Nieuwpoort and surroundings]. <i>Med. K. Belg. Inst. Nat. Wet. 39(4)</i>: 1-39 (look up in IMIS) [details]
page(s): p.139, pl.1, fig.8a [details] Available for editors
[request]original description (of Colurella obtusa f. clausa Hauer, 1936) Hauer, J. (1936). Rädertiere aus dem Naturschutzgebiet Weingartener Moor. Beiträge zur naturkundlichen Forschung in Südwestdeutschland, 1, 129-152, pl.1-2
page(s): p.139, pl.1, fig.8c [details] Available for editors
[request]original description (of Colurus obtusus Gosse, 1886) Hudson, C. T.; Gosse, P. H. (1886). The Rotifera; or wheel-animalcules, both British and foreign. London. Longmans, Green, and Co., I+II, 2, VI+128, pl.1-15; 144, pl.A-D,16-30, available online at https://www.biodiversitylibrary.org/page/10664748
page(s): v.2, p.103, pl.26, fig.3 [details] Available for editors
[request]basis of record De Ridder, M. (1963). Recherches sur les Rotifières des eaux saumâtres: 10. Les Rotifières planktoniques de Nieuport et environs [Research on Rotifera of brackish waters: 10. The planktonic Rotifera of Nieuwpoort and surroundings]. <i>Med. K. Belg. Inst. Nat. Wet. 39(4)</i>: 1-39 (look up in IMIS) [details]
Other
context source (RAS)
Australian Antarctic Data Centre. , available online at https://data.aad.gov.au/aadc/biodiversity/ [details]
context source (Bermuda) Sørensen, M. V. (2001). On the rotifer fauna of Bermuda, including notes on the associated meiofauna and the description of a new species of Encentrum (Rotifera: Ploima: Dicranophoridae). <em>Proceedings of the Biological Society of Washington.</em> 114(3), 725-736. [details] Available for editors [request]
additional source Shiel, R.; Smales, L.; Sterrer, W.; Duggan, I.C.; Pichelin, S.; Green, J.D. (2009). Phylum Gnathifera: lesser jaw worms, rotifers, thorny-headed worms, in: Gordon, D.P. (Ed.) (2009). New Zealand inventory of biodiversity: 1. Kingdom Animalia: Radiata, Lophotrochozoa, Deuterostomia. pp. 137-158. [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]
context source (Bermuda) Sørensen, M. V. (2001). On the rotifer fauna of Bermuda, including notes on the associated meiofauna and the description of a new species of Encentrum (Rotifera: Ploima: Dicranophoridae). <em>Proceedings of the Biological Society of Washington.</em> 114(3), 725-736. [details] Available for editors
[request]additional source Shiel, R.; Smales, L.; Sterrer, W.; Duggan, I.C.; Pichelin, S.; Green, J.D. (2009). Phylum Gnathifera: lesser jaw worms, rotifers, thorny-headed worms, in: Gordon, D.P. (Ed.) (2009). New Zealand inventory of biodiversity: 1. Kingdom Animalia: Radiata, Lophotrochozoa, Deuterostomia. pp. 137-158. [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]
Present Present in aphia/obis/gbif/idigbio Inaccurate Introduced: alien Containing type locality
Nontype (of Colurella obtusa f. clausa Hauer, 1936) ANSP 1187, geounit Ontario [details]
Nontype ANSP 0258, geounit New Jersey [details]
Nontype ANSP 0753, geounit Pennsylvania [details]
Nontype ANSP 0753, geounit Pennsylvania [details]
Nontype ANSP 0753, geounit Pennsylvania [details]
Nontype ANSP 1185, geounit New Jersey [details]
Nontype ANSP 1186, geounit Wisconsin [details]
Nontype ANSP 1188, geounit Utah [details]
Nontype ANSP 1189, geounit Bangkok [details]
From editor or global species database
Environment saltwater occurrences include inland saline waters. [details]Grammatical gender Gender agreement: yes; name type: adjective [details]
Habitat Algae, benthic; Bottom sediments; Bottom sediments (littoral sand, cobble, gravel); Bottom sediments (predominantly anorganic); Bottom sediments (shallow littoral); Bottom sediments, and POM; Eichhornia crassipes (water hyazinth), interrhizon; Littoral microhabitats; Littoral vegetation (Macrophytes and partly emersed terrestrial plants); Macrophytes; Macrophytes (Ceratophyllum, Potamogeton); Macrophytes (Elodea); Macrophytes (Myriophyllum, Potamogeton, Ranunculus); Macrophytes (Myriophyllum, Utricularia); Macrophytes (Utricularia, Nymphaea); Mixed sample: open water, and periphyton; Moss; Moss (Sphagnum, peat moss); Moss (submersed); Moss (submersed, in swift flowing water); Moss (submersed, semi-emersed); Mud surface; Open water; Open water (littoral); Open water (tychoplanktonic); Periphyton (littoral vegetation); Periphyton (littoral vegetation, roots of terrestrial vegetation); Periphyton (roots of terrestrial vegetation); Reed belt, open water between and periphyton on reed stems; Stream bottom: periphyton, and POM; Stream bottom: POM (cobble, gravel, sand), and filamentous algae; Stream bottom: POM (gravel, stones); Stream bottom: POM (sand, gravel); Stream bottom: POM (sand, gravel, mud); Water fern interrhizon (Azolla sp.), and bottom sediments; Water ferns (Salvinia molesta, Azolla sp.), and water lenses (Lemna spp.), interrhizon [details]
Taxonomy • ?Colurella uncinata (Müller) after Dujardin (1841);
not Colurella obtusa (Gosse) after Yamamoto (1953) [identity unclear]; Pejler (1962 partim:figs.56,57) [=Colurella tesselata (Glascott)]; Pejler (1962 partim:fig.61) [=C. uncinata (Müller)].
• Taxonomic status of this polymorphic species and a number of infraspecific taxa included therein require further investigation. It probably represents a complex of cryptic species with narrower geographic ranges and/or ecological tolerances. [details]
