Pakicetus attocki an extinct genus of amphibious cetacean of the family Pakicetidae, this taxon was endemic to Pakistan and lived during the Early Eocene. The vast majority of paleontologists regard it as the most basal whale.
Besides Pakicetus attocki, there are 3 other species in the genus Pakicetus, those being Pakicetus inachus, Pakicetus calcis, and Pakicetus chittas
This skeleton can be seen in the Age of Mammals Hall