Oreella is a genus of tardigrades in the family Oreellidae. It is the only genus of that family. It was named and described by James Murray in 1920; the family Oreellidae was named and described by Giuseppe Ramazzotti in 1962.[1] Ramazzotti gave the first modern description of the genus with his findings on O. minor, which was differentiated from another species by the name of O. mollis by its smaller size, spur presence on internal claws, and briefer stylets.[2] Characteristics such as these can be considered as insufficient evidence of the delineation between species, however the differences in size of O. minor (≤170 μm) and O. mollis (≤251 μm), as well as the presence of the aforementioned claw spurs, would be considered notable features.[2]
| Oreella | |
|---|---|
Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Tardigrada |
| Class: | Heterotardigrada |
| Order: | Echiniscoidea |
| Family: | Oreellidae Ramazzotti, 1962 |
| Genus: | Oreella Murray, 1910 |
| Species | |
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See text | |
Species
editThe genus Oreella contains the following species:[1]
- Oreella chugachii Calloway, Miller, Johansson & Whiting, 2011
- Oreella mollis Murray, 1910
- Oreella vilucensis Rahm, 1931
References
edit- ^ a b Degma; Bertolani; Guidetti (30 June 2018). Actual checklist of Tardigrada species (2009-2018) (PDF). 34th Ed. University of Modena. Retrieved 23 November 2018.
- ^ a b Dastych, Hieronymus; McInnes, Sandra J.; Claxton, Sandra K. (1998). "Oreella mollis Murray, 1910 (Tardigrada_: a redescription and revision of Oreella" (PDF). Mitteilungen aus den Hamburgischen Zoologischen Museum und Institut. 95: 89–113.
Data related to Oreella at Wikispecies
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