Mammals have returned to an aquatic lifestyle several times over their evolutionary history. While Sirenians and Pinnipeds are highly adapted to living predominantly in water, the most successful and diverse marine mammal taxon is Cetacea (from Latin cetus “whale” (from Greek ketos “sea monster”)). In the past Cetacea was treated as a full Order, but substantial and convincing evidence…
Categories
Infraorder Cetacea
