Full reference: S. D. Emslie. 1985. A new species of teal from the Pleistocene (Rancholabrean) of Wyoming. Auk 102(1):201-205
Type specimen: University of Colorado Museum No. 49533, a limb element (left carpometacarpus with distal end slightly damaged). Its type locality is Little Box Elder Cave, which is in a Pleistocene cave horizon in Wyoming.
Ecology: volant herbivore