Although the fossil skull lacked the anatomy necessary for hearing directionally in water (a critical skill for living whales), it clearly had the diagnostic cetacean ear traits.

• 虽然那个化石头骨缺少在水中听方位（现生鲸豚不可或缺的本领）所需的构造，却有鲸豚类特有的耳朵特徵，一点都不含糊。