LavadytisLavadytis is an extinct genus of anatid birds that lived in what is now Nevada during the Middle Miocene Climatic Optimum of the Miocene epoch. It contains the single species Lavadytis pyrenae.PalaeobiologyPalaeoecologyLavadytis pyrenae was osteologically adapted for diving, and it likely behaved in a similar manner and occupied a similar ecological niche to modern diving ducks.