Finally! After a month...*whew* I had fun working on this, but I'm also relieved to have been able to send it off to Oceanography. *fingers crossed* Dave wrote a generous acknowledgment :)
I'll be the first to admit, it's not perfect. But for only having used this type of medium once before on a teeny, tiny picture - I'm still happy with how it turned out, coccolithophores and all!