Gawdzilla Sama
TImeToSweepTheLeg
For example if a ray or squid, fell into a pool of water located in a mountain crevice during a flood and were later quickly covered during a volcano or earthquake. The surrounding material could be millions of years older than the actual marine life.
I saw a documentary on octopus and it's amazing how narrow a opening a they can fit through.
And the strata would tell competent paleontologists that this was not a run-of-the-mill fossil. People spend decades actually studying these kind of things, they don't just rummage through AIG for gotchaisms.