Lewis Short
Tanūsius (noun M) :
* The name of a Roman gens: Tanusiorum capita demere,Q. Cic. Pet. Cons. 2, 9.
* Esp.: Tanusius Geminus, a Latin historian: annales Tanusii scis quam ponderosi sint,Sen. Ep. 93, 11; Suet. Caes. 9.
Charlton T. Lewis, Charles Short, A Latin Dictionary