Potamoceratodus
Potamoceratodus is an extinct genus of lungfish belonging to the family Ceratodontidae known from the Late Jurassic Morrison Formation of Colorado, United [States of America|USA]. It was first named by Jason D. Pardo, Adam K. Huttenlocker, Bryan J. Small and Mark A. Gorman II in 2010 and the type species is Potamoceratodus guentheri.