The halakhic midrash to Exodus from the school of R. Ishmael is the Mekilta .
That of the school of R. Akiba is the Mekilta of R. Shimon bar Yochai .
The halakhic midrash to Exodus from the school of R. Ishmael is the Mekilta , while that of the school of R. Akiba is the Mekilta of R. Shimon bar Yochai .