As for the evolution of the heart, what about the detailed abstract I posted above? Did you miss it, are just going to ignore it because it disagrees with your a priori convictions?
Unless you can come up with something more meaningful than quoting creationist websites, I have work to do.
BTW, here's a starting point for your homework on shells found in the desert.
Searching for Ancient Seashells
In The Desert
by Pamela Dimmick
Imagine that we are hiking in California’s blazing desert, 100 miles from the Pacific coastline. Imagine the huge mountains and the winding canyons that would surround us. Cacti dot the sandy landscape. What is the last thing you would expect us to find? Seashells! Yet find them we will: in dried out washes, on an ancient shell reef, in canyon walls.
http://www.desertusa.com/mag06/may/shells.html
It's one of MANY deserts that contain fish fossils and shells.
Unless you can stop quoting from junk science sites, I can't take you seriously. You will not find facts there or even evidence to support your views. It's propaganda based on an ideology not science. You have yet to present SCIENCE in any form as evidence for your personal views.