It looks like whatever Google did to launch Google Play last week may have broken some of the behind the scenes code. Developers from countries as diverse as Brazil, Norway, Spain, and Germany have chimed in with growing frustration. None have been paid, and none have gotten a response out of Google. A couple of the responses on the thread appear to be from Google reps, but they haven't said when this will get fixed.
We're aware of reports from some European developers that they have yet to receive their March 2012 payout for February sales. We're actively investigating this and are working to resolve it as soon as possible. We apologize for this inconvenience. At this time, no action is needed on your part.
I've queried Google on this, and I will post their response when I get it. For now, developers will
P.S. You know, Amazon might take an extra month to get you your money but at least you know they will. Google, not so much.