http://www.rotifera.hausdernatur.at/Species/Index WebBdelloid rotifers are among the smallest animals on Earth, with most species comprised of ~1000 cells, and being less than half millimeters in length. These eutelic (i.e., containing a fixed number of cells at maturity) metazoans harbor clearly differentiated nervous, muscular, digestive, excretory, and reproductive systems [ 1 ].
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WebAmong them, the phylum Rotifera comprises approximately 2000 species and is distributed world-wide, in both freshwater and seawater (Ricci and Balsamo, 2000; Segers, 2002) … WebApr 10, 2024 · Surprisingly, we found that in most species these elements indeed showed high PQS density and often also strand-asymmetric distribution (Fig. 5). The only exception were Penelope-like Athena elements from bdelloid rotifers that lacked G4-forming potential except for telomeric repeats that are embedded in the elements . fenwick terrace
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Webthe rotifer world catalog (RWC) is an open source knowledge base of global scope that offers access to rotifer taxonomy, nomenclature, natural history collections, geographic distribution, environmental data, and bibliography for all currently accepted species- and genus-group taxa of phylum rotifera. tt serves as an authoritative source for all nominal … WebA rotifer filters 100,000 times its own volume of water per hour. They are used in fish tanks to help clean the water, to prevent clouds of waste matter. About 2200 species of rotifers have been described. They are placed in the phylum Rotifera. This phylum is subdivided into three classes, Monogononta, Bdelloidea, and Seisonidea. Most rotifers are around 0.1–0.5 mm (0.0039–0.0197 in) long (although their size can range from 50 μm (0.0020 in) to over 2 mm (0.079 in)), and are common in freshwater environments throughout the world with a few saltwater species. Some rotifers are free swimming and truly planktonic, others move by … See more The rotifers , commonly called wheel animals or wheel animalcules, make up a phylum (Rotifera /roʊˈtɪfərə/) of microscopic and near-microscopic pseudocoelomate animals. They were first … See more Rotifers have bilateral symmetry and a variety of different shapes. The body of a rotifer is divided into a head, trunk, and foot, and is typically … See more Rotifers are dioecious and reproduce sexually or parthenogenetically. They are sexually dimorphic, with the females always being larger than the males. In some species, this is relatively mild, but in others the female may be up to ten times the size of the male. … See more The genome size of a bdelloid rotifer, Adineta vaga, was reported to be around 244 Mb. The genomes of Monogononts seem to be significantly smaller than those of Bdelloids. In Monogononta the nuclear DNA content (2C) in eight different species of four … See more Rev. John Harris first described the rotifers (in particular a bdelloid rotifer) in 1696 as "an animal like a large maggot which could contract itself into a spherical figure and then stretch itself … See more Rotifers eat particulate organic detritus, dead bacteria, algae, and protozoans. They eat particles up to 10 micrometres in size. Like crustaceans, rotifers contribute to nutrient recycling. … See more Rotifers fall prey to many animals, such as copepods, fish (e.g. herring, salmon), bryozoa, comb jellies, jellyfish, starfish, and tardigrades. See more fenwick techna ice spinning rod