The highest female singing voice is called a coloratura soprano.
Soprano.
Contalto
The lowest normally recognised is the 'contralto'.
Bass.
Soprano
Svetlana Feodulova. Her highest note is a C8.
The lowest female voice is called contralto.
Soprano
Bass is the name of a very low male singing voice.
The lowest female voice is the Contralto; also considered the rarest in occurrance.
Baritone is a male singing voice. It is of a classical style, and originates from the word barytonos, meaning deep (or heavy) sounding. It is between bass and tenor.
She's Contralto(lowest female singing voice)