[betty boop]

the Sumerian creation story does not involve turtles

Well then check out the ancient babylonian myths.... :^)

BTW lots of creation myths from many cultures and eras have distinct parallels with Genesis.

[From many - one.]

Try again.

Babylonian creation myth:

http://ccat.sas.upenn.edu/~humm/Resources/Ane/enumaA.html