I would encourage you to sit down with a bank representative (someone with more information than a teller), in a branch, and calmly discuss the situation. It's likely they will provide some added clarity to the situation.
While I empathize with your frustration, seeking a resolution without resorting to litigation can often yield a far more positive result.
This is NOT legal advice. The information contained herein is observational and for reference only. These posts are in no way intended as legal advice or counsel. Further, I am not your attorney and you are not my client. I bear no duty to provide counsel, representation or advice to you in any way. The statements I provide in this posting on Avvo do not in any way constitute an attorney-client relationship. Further, these statements are general in nature and made based on the limited facts presented by you, the Poster. Nothing I've written here should be relied upon when making legal decisions. It is your responsibility to consult an appropriately qualified attorney to seek legal advice.