» Common names: Mauritius snakes, Round Island boas, splitjaw snakes. The Bolyeriidae are a family These snakes were formerly placed in the Boidae, but are now classed as a separate family. Currently, two monotypic genera are recognized. |ignore="width:40%"|Mauritius. |- |Casarea |Gray, 1842 |align="center"|1 |Round Island ground boa |Mauritius. |- |} T) Type genus. Both of these monotypic gena once inhabited Mauritius and/or a number of islands around it. However, Bolyeria hasn't been reported… (More on Bolyeriidae)