Second son of Saddhā Tissa and king of Sri Lanka (59 B.C.).

On his father’s death the ministers crowned him king, but after a reign of only one month and a few days his elder brother Lañjatissa overpowered him and seized the throne.

Thūlathana built the Kandara-vihāra (Mhv.xxxiii.15 ff) and a cetiya on the Sirīsamālaka (MT.355).