''Paraseison'' is a
monotypic genus
In biology, a monotypic taxon is a taxonomic group (taxon) that contains only one immediately subordinate taxon. A monotypic species is one that does not include subspecies or smaller, infraspecific taxa. In the case of genera, the term "unispec ...
of
rotifers
The rotifers (, from the Latin , "wheel", and , "bearing"), commonly called wheel animals or wheel animalcules, make up a phylum (Rotifera ) of microscopic and near-microscopic pseudocoelomate animals.
They were first described by Rev. John H ...
belonging to the family
Seisonidae. The only species is ''Paraseison annulatus''.
The species is found in Europe and Northern America.
References
Pararotatoria
Rotifer genera
Monotypic animal genera
{{rotifer-stub