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Psilaxis Radiatus
''Psilaxis radiatus'' is a species of sea snail, a marine gastropod mollusc in the family Architectonicidae, which are known as the staircase shells or sundials.MolluscaBase (2018)''Psilaxis radiatus'' (Röding, 1798).Accessed through: World Register of Marine Species on 2018-11-03. Description ''Psilaxis radiatus'' has a shell that reaches 26 mm.Hardy, E., 2018''Psilaxis radiatus'' (Röding, 1798)Hardy's Internet Guide to Marine Gastropods (& Near Classes), accessed 2018-11-03. Distribution This species can be found in the Indo-Pacific, from the Red Sea and South Africa via Japan, Indonesia, the Philippines and eastern Australia to Hawaii Hawaii ( ; haw, Hawaii or ) is a state in the Western United States, located in the Pacific Ocean about from the U.S. mainland. It is the only U.S. state outside North America, the only state that is an archipelago, and the only stat ....GBIF, 2018''Psilaxis radiatus'' (Röding, 1798)/ref> References External links * ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Species
In biology, a species is the basic unit of classification and a taxonomic rank of an organism, as well as a unit of biodiversity. A species is often defined as the largest group of organisms in which any two individuals of the appropriate sexes or mating types can produce fertile offspring, typically by sexual reproduction. Other ways of defining species include their karyotype, DNA sequence, morphology, behaviour or ecological niche. In addition, paleontologists use the concept of the chronospecies since fossil reproduction cannot be examined. The most recent rigorous estimate for the total number of species of eukaryotes is between 8 and 8.7 million. However, only about 14% of these had been described by 2011. All species (except viruses) are given a two-part name, a "binomial". The first part of a binomial is the genus to which the species belongs. The second part is called the specific name or the specific epithet (in botanical nomenclature, also sometimes i ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
