The tourists made it difficult for England to score runs in the opening session at Chester-le-Street and were then rewarded for keeping the run-rate down with a flurry of wickets in the afternoon and evening.
Off-spinner Lyon was the pick of the Aussie bowlers with figures of 4-42, but he feels that the efforts of the entire attack were responsible for their success.
"We just tried keep it simple as a bowling squad," he told reporters. "We tried to hit the right areas and it's worked out pretty well. Credit has to go to the bowlers and the fielders because we built pressure on and got the reward.
"There's nothing in the wicket so I bowled around the wicket to keep myself in the game and I was able to build some pressure.
"It's a day one pitch, we built pressure and got rewards. We always speak about batting in partnerships and the need to bowl in partnerships as well."