He wrote between the 6th and 7th centuries, under the title *Of those who approach the holy Church*, a historical work in which the schisms and heresies of the 6th century are listed, especially the Monophysite sects. T. distinguishes those who must be baptized, those who need only be confirmed, and those who merely put on the habit at the time of conversion.
BIBL.: PG 86, 11-68; Bardenhewer, V, p. 26.