The baleen whales began developing the long keratin sheets that enable filter feeding. That carried on until about 23 million years ago, when their rate of skull evolution slowed ... findings based on ...

Researchers have identified a 33-million-year-old whale fossil that may represent the missing link between toothed and baleen whales, according to a study published today (November 29) in Current ...

(Nobumichi Tamura.jpg) (CN) — Paleontologists identified fossils from three massive marine ... ichthyosaurs previously found were like modern baleen whales and had no teeth at all. One ichthyosaur ...

The researchers analyzed the largest-ever dataset of 3D scans from 88 living whale species and 113 fossil ... and baleen whales, Mysticeti. Each lineage developed distinct skull specializations ...