Rotaria species with long spurs (ratio: SL / SSW ≥ 2) "long spurs" means that the ratio of spur length (SL) versus the width of the spur-bearing foot pseudosegment (SSW) is more than 2:1 . Rotaria exoculis Rotaria exoculis Rotaria exoculis Rotaria exoculis Rotaria magnacalcarata Rotaria magnacalcarata Rotaria magnacalcarata   Rotaria magnacalcarata Rotaria neptunia Rotaria neptunia Rotaria neptunia Rotaria neptunia Rotaria neptunoida Rotaria neptunoida Rotaria neptunoida Rotaria neptunoida Rotaria socialis Rotaria socialis Rotaria socialis   Rotaria socialis Rotaria tardigrada Rotaria tardigrada Rotaria tardigrada Rotaria tardigrada Rotaria sordida Rotaria sordida Rotaria sordida Rotaria sordida
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