Dvellecanus
In Depth Dvellecanus is a genus of lepospondyl amphibian that lived in North America during the Permian. Further Reading - Micro-CT Study of Rhynchonkos stovalli (Lepospondyli, Recumbirostra), with Description of Two New Genera. - PLoS ONE 10 (6). - M. Szostakiwskyj, J. D. Pardo & J. S. Anderson - 2015.