Wyo. Stat. Ann. § 40-13-112

In the event any person, or any defendant is proceeded against as herein outlined, and is served with process according to law, appears in any proceeding by counsel or otherwise, or institutes any special proceeding attacking such proceeding, or makes any motion therein, either special or general, or appears to obtain the judgment of the court solely upon the sufficiency of the service of process, or upon any phase or particularity of the injunction proceedings, such special proceeding or appearance, or motion, or appearance shall be deemed as a general appearance.