orcanids

the orcanids are the dominant sentient species on Ceterra:

What happens when the apex predator of the ocean is forced to claim the land?

Set 50 million years in our future, Cetaterra introduces a world where humanity is a ghost, and the descendants of Orcinus orca have risen to fill the void. These are the Orcanids—bipedal, semi-aquatic cetaceans who have traded the open blue for a life on land