Full reference: M. D. Uhen, N. D. Pyenson, T. J. DeVries, M. Urbina, and P. R. Renne. 2011. New middle Eocene whales from the Pisco Basin of Peru. Journal of Paleontology 85(5):955-969
Sister taxa: none
Type specimen: MUSM 1442, a partial skeleton. Its type locality is Archaeocete Valley, Paracas, AV-19, which is in a Bartonian coastal sandstone in the Paracas Formation of Peru.
Ecology: aquatic carnivore