It probably does not exist as a form. There are fill in the blank all purpose motion forms which might work for you. Or you can create your own motion to dismiss based on another motion. The information at the top is the same throughout the case - identifying the court, circuit, case number, parties, etc. Title it Motion to Dismiss. Then state the reasons you believe the case should be dismissed in numbered paragraphs. Be clear and brief. Sign it at the end above your address block. And be sure that you include a certification that you mailed the motion to the other party. Various family law motions are on the Florida Supreme Court's site - www.flcourts.org - or call us at 800-515-0496 and we'll see if we can help.