Sabora of the second generation (Halevy, "Dorot ha-Rishonim," iii. 26); principal of the Academy of Pumbedita (520-540) while R. 'Ena was filling a similar position at Sura. According to Grätz, these two scholars committed the Talmud to writing; but no further details are known concerning Simuna.
- Letter of Sherira Gaon, in Neubauer, M. J. C. i. 34;
- Grätz, Gesch. v. 7, 8;
- Weiss, Dor, iv. 6.