He managed to obtain specimens, from which DNA analysis revealed a new cervid species. He treated the musk deer as a cervid, placing it under Telemetacarpalia. Among all living cervid species, only the moose and the elk can attain larger sizes. From Asia came the hyracoid "Pliohyrax", the cervid "Dicrocerus", and the suid "Listriodon". Other cervid species, including caribou, are also suspected to be naturally vulnerable to this disease.