The evolution of cetaceans is thought to have begun in the Indian subcontinent from even-toed ungulates 50 million years ago and to have proceeded over a period of at least 15 million years. Cetaceans ...

Analyzing the anatomy of early fossil cetaceans in the context of modern mammals to understand the evolution of cetaceans from terrestrial ancestors. <p>The evolution of modern cetaceans (including ...

Scientists confirm that orcas and dolphins have lost the ability to return to dry land due to irreversible evolutionary ...

One significant area of research has been the study of the cranial evolution of cetaceans, which includes both baleen and toothed whales. A recent analysis of 201 living and extinct cetacean ...