Echiniscus testudo
Species of tardigrade From Wikipedia, the free encyclopedia
Echiniscus testudo is a cosmopolitan species of tardigrade.
| Echiniscus testudo | |
|---|---|
| |
| Scientific classification | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Tardigrada |
| Class: | Heterotardigrada |
| Order: | Echiniscoidea |
| Family: | Echiniscidae |
| Genus: | Echiniscus |
| Species: | E. testudo |
| Binomial name | |
| Echiniscus testudo (Doyère, 1840) | |
| Synonyms[1][2] | |
Taxonomy
The species was described by Louis Michel François Doyère in 1840; he placed it in the genus Emydium.[3]
G. Ramazzotti and W. Maucci classified E. filamentos mongoliensis Iharos, 1973[6] as a synonym of E. testudo in 1983; this was followed by other tardigradologists.[1] In 2017, Piotr Gąsiorek and colleagues restored it as a distinct taxon and elevated it to species level: E. mongoliensis.[7]
Gąsiorek and colleagues also classified E. filamentosus Plate, 1888[8] and E. glaber Bartoš, 1937 as junior synonyms of E. testudo.[7]
Distribution
It is found throughout most of the Palaearctic,[9] and has been recorded in all continents except Antarctica and Australia.[10][11] Most reports are Holarctic.[12] Locations where it has been recorded include: Denmark, Egypt, the Faroe Islands, France, Germany, Greece, Greenland, Israel, Italy, Morocco,[9] Iberia,[13] Mongolia,[14] and China.[10][15]
Doyère based his description off specimens collected in Paris.[3] The neotype designated by Gąsiorek and colleagues was collected in Paris's Montmartre Cemetery.[7] The type localities of the junior synonyms E. bellermanni and E. inermis are both in Germany: the former is Greifswald,[4] and the latter is the Taunus mountains near Frankfurt.[5]
Dorsal view, showing its four segmented bands
References
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