viruses Article Shared Common Ancestry of Rodent Alphacoronaviruses Sampled Globally Theocharis Tsoleridis 1 , Joseph G. Chappell 1 , Okechukwu Onianwa 1, Denise A. Marston 3, Anthony R. Fooks 3 , Elodie Monchatre-Leroy 4 , Gérald Umhang 4, Marcel A. Müller 5, Jan F. Drexler 5, Christian Drosten 5, Rachael E. Tarlinton 2 , Charles P. McClure 1 , Edward C. Holmes 6 and Jonathan K. Ball 1,* 1 School of Life Sciences, University of Nottingham, Nottingham NG7 2UH, UK;