[dirtboy]

And this despite the fact that all three groups suddenly appear side by side as contemporaries in Cambrian system strata!

Uh, no they don't.

http://en.wikipedia.org/wiki/Evolution_of_fish

These were followed by indisputable fossil vertebrates in the form of heavily armoured fishes discovered in rocks from the Ordovician Period 500–430 Ma.

[null and void]

You didn’t seriously expect Institute for Creation Research to get scientific fact right did you?

[tbpiper]

http://en.wikipedia.org/wiki/Evolution_of_fish

And we know wikipedia is correct because you're not allowed to put anything untrue on the internet.