Aristocracy is derived from the Greek word for "rule of the best".
The Chipola slabshell , scientific name Elliptio chipolaensis , is a species of freshwater mussel in the family Unionidae , the river mussels .. Unionidae. Unionidae. Elliptio. Elliptio. scientific name. scientific name. species. species. freshwater mussel. freshwater mussel. It is native to Florida in the United States , where it is now found only in the Chipola River and associated creeks .. Florida. Florida. Chipola River. Chipola River. It is extirpated from Alabama .. extirpated. local extinction. Alabama. Alabama. There are no more than about 2500 individuals remaining .. It is a federally listed threatened species of the United States .. species. species