''Cosmetira'' 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 "unispe ...

hydrozoa Hydrozoa (hydrozoans; from Ancient Greek ('; "water") and ('; "animals")) is a taxonomy (biology), taxonomic class (biology), class of individually very small, predatory animals, some solitary and some colonial, most of which inhabit saline wat ...

ns belonging to the family

Mitrocomidae Mitrocomidae is a Family (biology), family of hydrozoans in the order Leptothecata. References

Mitrocomidae, Leptothecata Taxa named by Ernst Haeckel {{Leptothecata-stub ...

. The only species is ''Cosmetira pilosella''. The species is found in Northern Europe and

Alaska Alaska ( ) is a non-contiguous U.S. state on the northwest extremity of North America. Part of the Western United States region, it is one of the two non-contiguous U.S. states, alongside Hawaii. Alaska is also considered to be the north ...

References

Mitrocomidae Hydrozoan genera Monotypic cnidarian genera {{Leptothecata-stub