Trilobyte. We seem to be posting at the same time. You said:
"But once again let me point out....no mutations were required." But if there were only two of each kind the maximum number of variations for each gene in four. This is surely not enough to give rise to the reqired number of species in each geneus. Mutations are required.

You also wrote:
"As to this thread...it's not about Gilgamesh. It's about life on the ark." I got the impression from the Gilgamesh post that most of us regarded them as deriving from the same event.