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.