"Brandtocetus chongulek " was a whale approximately 4 5 m long differing from all Cetotheriidae by having a transversely expanded lateral portion of the squamosal bone; a rhomboid temporal fossa; an occipital shield extending anterior to the center of the temporal fossa; and an elongated posterior process of the tympanoperiotic with a proximodistally extended, and distally expanded, distal portion exposed as an oval surface on the posterolateral skull wall.
12.
"Brandtocetus chongulek " was a whale approximately 4 5 m long differing from all Cetotheriidae by having a transversely expanded lateral portion of the squamosal bone; a rhomboid temporal fossa; an occipital shield extending anterior to the center of the temporal fossa; and an elongated posterior process of the tympanoperiotic with a proximodistally extended, and distally expanded, distal portion exposed as an oval surface on the posterolateral skull wall.