Prehistoric epic 10,000 B.C. has topped the US box office chart on its first week of release.

The movie beat off competition from Martin Lawrence's comedy College Road Trip and UK thriller The Bank Job.

Last week's number one Semi-Pro falls to fifth, while Juno and No Country For Old Men slip out of the top ten.

The top ten in full:

1. (-) 10,000 B.C. - $35,867,488
2. (-) College Road Trip - $13,601,419
3. (2) Vantage Point - $7,356,236
4. (-) The Bank Job - $5,935,256
5. (1) Semi-Pro - $5,786,032
6. (3) The Spiderwick Chronicles - $4,712,945
7. (4) The Other Boleyn Girl -$4,048,026
8. (5) Jumper - $3,662,375
9. (6) Step Up 2 the Streets - $3,062,501
10. (7) Fool's Gold - $2,782,416