Musnad Ahmad 31:582

Yahya ibn Adam narrated to us, with his chain of narration, the like of it, and he said: "Dates (tamr)." And Abd al-Razzaq said: "Fruit (thamar)." And he said: Ma'mar and al-Thawri narrated to us, from Isma'il ibn Umayyah, and he mentioned it.