Tiarannidae | |
---|---|
Scientific classification | |
Domain: | Eukaryota |
Kingdom: | Animalia |
Phylum: | Cnidaria |
Class: | Hydrozoa |
Order: | Leptothecata |
Superfamily: | incertae sedis |
Family: | Tiarannidae |
Tiarannidae is a family of cnidarians belonging to the order Leptothecata. [1] [2]
Genera: [1]
In biology, taxonomy is the scientific study of naming, defining (circumscribing) and classifying groups of biological organisms based on shared characteristics. Organisms are grouped into taxa and these groups are given a taxonomic rank; groups of a given rank can be aggregated to form a more inclusive group of higher rank, thus creating a taxonomic hierarchy. The principal ranks in modern use are domain, kingdom, phylum, class, order, family, genus, and species. The Swedish botanist Carl Linnaeus is regarded as the founder of the current system of taxonomy, as he developed a ranked system known as Linnaean taxonomy for categorizing organisms and binomial nomenclature for naming organisms.
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Alphamononivirus is a genus of enveloped, positive-strand RNA viruses in the order Nidovirales which infect planarian flatworms. Member virus planarian secretory cell nidovirus (PSCNV) has the largest known nonsegmented RNA genome of 41.1kb of any RNA virus. The genus is monotypic. It contains the subgenus Dumedivirus, which contains only one species, Planidovirus 1. Alphamononivirus is also the only member of the subfamily Mononivirinae, which in turn is the only member of family Mononiviridae, which likewise is the only member of the Monidovirineae suborder.
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