Simplify the following text for a Grade 12 native English-speaking person.
Original: The Namtap or Spectacled Dormouse ( Graphiurus ocularis ) is a species of rodent in the Gliridae family , and one of the four Dormouse species which are endemic to South Africa .
Simplified: The Namtap or Spectacled Dormouse ( Graphiurus ocularis ) is a species of rodent in the Gliridae family , and one of four Dormouse species endemic to South Africa .