PaleoDB taxon number: 367898
Full reference: N. V. Zelenkov. 2011. Diving Ducks from the Middle Miocene of Western Mongolia. Paleontological Journal 45(2):191-199
Sister taxa: none
Type specimen: PIN, no. 4869/197, a limb element (proximal end of the left humerus). Its type locality is Sharga 2, which is in a Miocene terrestrial horizon in the Oshin Formation of Mongolia.