Cephalodella is a genus of rotifers in the family Notommatidae.
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Cephalodella vittata is a species endemic to Lake Baikal. [3]
Cephalodella is a genus of rotifers in the family Notommatidae.
Cephalodella vittata is a species endemic to Lake Baikal. [3]
The rotifers, commonly called wheel animals or wheel animalcules, make up a phylum of microscopic and near-microscopic pseudocoelomate animals.
Bdelloidea is a class of rotifers found in freshwater habitats all over the world. There are over 450 described species of bdelloid rotifers, distinguished from each other mainly on the basis of morphology. The main characteristics that distinguish bdelloids from related groups of rotifers are exclusively parthenogenetic reproduction and the ability to survive in dry, harsh environments by entering a state of desiccation-induced dormancy (anhydrobiosis) at any life stage. They are often referred to as "ancient asexuals" due to their unique asexual history that spans back to over 25 million years ago through fossil evidence. Bdelloid rotifers are microscopic organisms, typically between 150 and 700 µm in length. Most are slightly too small to be seen with the naked eye, but appear as tiny white dots through even a weak hand lens, especially in bright light. In June 2021, biologists reported the restoration of bdelloid rotifers after being frozen for 24,000 years in the Siberian permafrost.
Monogononta is a class of rotifers, found mostly in freshwater but also in soil and marine environments. They include both free-swimming and sessile forms. Monogononts generally have a reduced corona, and each individual has a single gonad, which gives the group its name. Males are generally smaller than females, and are produced only during certain times of the year, with females otherwise reproducing through parthenogenesis.
Seisonidae is a family of rotifers, found on the gills of Nebalia, a marine crustacean. Peculiar among rotifers, males and females are both present and equal in size. Males and females are similar with paired gonads. It is considered to have diverged from the other rotifers early on, and in one treatment is placed in a separate class Seisonoidea. They have a large and elongate body with reduced corona. Their muscular system is similar to that of other rotifers: they have longitudinal muscles as well as open annular muscles.
Brachionus is a genus of planktonic rotifers occurring in freshwater, alkaline and brackish water.
Neverita is a genus of medium-sized to large sea snails, marine gastropod molluscs in the subfamily Polinicinae of the family Naticidae, the moon snails
Brachionus plicatilis is a euryhaline rotifer in the family Brachionidae, and is possibly the only commercially important rotifer, being raised in the aquaculture industry as food for fish larvae. It has a broad distribution in salt lakes around the world and has become a model system for studies in ecology and evolution.
Gnathifera is a clade of generally small spiralians characterized by complex jaws made of chitin. It comprises the phyla Gnathostomulida, Rotifera, Micrognathozoa, and Chaetognatha. It may also include the Cycliophora.
Mangelia multilineolata is a species of sea snail, a marine gastropod mollusk in the family Mangeliidae.
Mangelia costulata is a species of sea snail, a marine gastropod mollusk in the family Mangeliidae, the cone snails and their allies.
Mangelia unifasciata is a species of sea snail, a marine gastropod mollusk in the family Mangeliidae.
Raphitoma cordieri is a species of sea snail, a marine gastropod mollusk in the family Raphitomidae.
Brachionus calyciflorus is a planktonic rotifer species occurring in freshwater. It is commonly used as a model organism in toxicology, ecology and evolutionary biology.
Its advantages include the small size and short generation time.
Keratella cochlearis is a rotifer. The planktonic animal occurs worldwide in freshwater and marine habitats.
Notommatidae is a family of rotifers in the order Ploima.
Gastropus is a genus of rotifers belonging to the family Gastropodidae.
Ascomorpha is a genus of rotifers belonging to the family Gastropodidae.
Gastropodidae is a family of rotifers belonging to the order Ploima.
Brachionidae is a family of rotifers belonging to the order Ploima. Species are found in freshwater and marine habitats.
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