Teneo is depicted as the new Taurus Gold Saint at the end of Saint Seiya: The Lost Canvas.
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After Lost Canvas
At the end of the Holy War, Teneo approaches Shion and Dohko to ask if he can help rebuild Sanctuary to the way it was. Shion graciously accepts his help and comforts Teneo in that they will rebuild Sanctuary no matter what.
The illustration at the end of Volume 11 of Saint Seiya ~ The Lost Canvas, shows Teneo as the new Taurus Gold Saint. This is of course a bonus drawing and it is unclear whether if Teneo actually becomes the next Taurus Saint at the end of the of Holy War.