Bir wikipedia araştırması:
Sui generis: "
of its own kind/genus or unique in its characteristics"
In the structure "genus → species" a species that heads its own genus is known as sui generis. This does not mean, however, that all genera with only a single member are composed of sui generis species. It is only if the genus was specifically created to refer to that one species, with no other known examples, that the species is sui generis.
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