Simplify the following text for a Grade 11 native English-speaking person.
Original: Toxicofera ( Greek for `` those who bear toxins '' ) , is a hypothetical clade which represents about 4600 species ( nearly 60 % ) of extant squamates ( scaled lizards . )
Simplified: Toxicofera ( Greek or Latin for `` those who toxins '' ) , is a hypothetical clade which represents about 4600 species of extant scaled lizards .