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Cristaria (bivalve)
Cristaria is a genus of freshwater mussels or pearl mussels, aquatic bivalve mollusks in the family Unionidae. Species Species in the genus ''Cristaria'' include: * '' Cristaria beirensis'' * ''Cristaria plicata ''Cristaria plicata'', the cockscomb pearl mussel, is a freshwater mussel, an aquatic bivalve mollusk in the family Unionidae. Distribution This species is native to northeast Asia and now also present in parts of southeast Asia. This large mu ...'' * '' Cristaria radiata'' * '' Cristaria tenuis'' * '' Cristaria truncata'' Human relevance In China, one of the species in this genus, ''Cristaria plicata'' is "one of the most important freshwater mussels for pearl production" in the country. It is also used for medicinal purposes.. Accessed 2014.09.06 References Unionidae Bivalve genera {{Unionidae-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Genus
Genus ( plural genera ) is a taxonomic rank used in the biological classification of living and fossil organisms as well as viruses. In the hierarchy of biological classification, genus comes above species and below family. In binomial nomenclature, the genus name forms the first part of the binomial species name for each species within the genus. :E.g. '' Panthera leo'' (lion) and '' Panthera onca'' (jaguar) are two species within the genus '' Panthera''. ''Panthera'' is a genus within the family Felidae. The composition of a genus is determined by taxonomists. The standards for genus classification are not strictly codified, so different authorities often produce different classifications for genera. There are some general practices used, however, including the idea that a newly defined genus should fulfill these three criteria to be descriptively useful: # monophyly – all descendants of an ancestral taxon are grouped together (i.e. phylogenetic analysis should cl ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
