Classification of Cetaceans | Aquatic Mammals
Division of the Order: Suborder (i) Archaeoceti: This suborder includes primitive or first whales, the fossil forms of which have been found in the sediments of mideocene. They were large attaining a length of about 18.25 cm. The tail was very long. The forelimbs were modified into paddles. The hind limbs were ill-developed. The skull was more primitive than that [...]