MUST...RESIST URGE...TO ANSWER THOSE QUESTIONS...HERE!
I'm sorry to ask total newb questions Zach, but I just realized that this is stuff that I don't actually, well, know, and it's like giant marine reptiles suddenly appeared all of a sudden as far as I know.
I mean, I find what we know about the evolution of modern whales fascinating, I was just wondering if there were similarly fascinating stories for the reptiles...