Brachionus calyciflorus
species of rotifers
Brachionus calyciflorus is a planktonic species of rotifer 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 (average generation time of B. calyciflorus is around 2.2 days at 24 °C).
Taxonomy
Brachionus calyciflorus is the type species of its genus and may be a species complex consisting of more than one species.
Reproduction
Brachionus calyciflorus normally reproduces by cyclical parthenogenesis.
Transitions to obligate parthenogenesis have been described. Obligate parthenogens were homozygous for a recessive allele, which caused inability to respond to the chemical signals that normally induce sexual reproduction in this species.
This brief starts where responsible research should: with the source description of “Brachionus calyciflorus” as species of rotifers. Everything that follows is an evidence route, not borrowed authority.
Why this record matters
The subject matters to the science & nature register because the source frames it as species of rotifers. Its deeper value depends on whether names, dates, institutions and citations support that framing.
Stable identifiers, scientific names and standards terminology offer the best bridge between this overview and specialist evidence. The source revision retrieved here is dated Oct 24, 2025. The linked authority identifier is Q2547210. None of the 0 selected statements returned an explicit reference.
Scientific names, classifications and consensus can change while older terminology persists in catalogues and historical literature. The source lead contains qualifying language; that uncertainty should survive quotation, summary and reuse. Authority statements aid reconciliation but still require their own references, qualifiers and ranks to be checked.
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Questions for further research
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This entry incorporates text from “Brachionus calyciflorus” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.