Overall, the fossil record and anatomical studies of baleen whales illustrate a complex evolutionary ... system using baleen plates instead of teeth. Archaeocetes: An extinct group of early ...

Paleontologists have discovered a strange new species of marine lizard with dagger-like teeth that lived near ... “Modern ecosystems have predators like baleen whales and dolphins that eat ...

These ancient animals, often referred to as “living fossils,” offer a mesmerizing glimpse into ... Known as one of the smallest baleen whales, the pygmy right whale has a mysterious existence dating ...

Hugo Saláis, CC BY 4.0, via Wikimedia Commons The recent discovery of a megalodon tooth on the deep sea floor has ... It probably targeted large prey such as whales, seals, and sea turtles. The fossil ...

New research finds some baleen whale species call at such deep frequencies that they're completely undetectable by killer whales, which cannot hear sounds below 100 hertz. These also tend to be the ...

that hangs from the upper jaws of baleen whales (Mysticeti). Instead of teeth, these whales use baleen plates to filter-feed on small prey like krill, plankton, and small fish. But this 52-hertz ...

Our study was one of the first to date Florida coastal deposits using fossil shark teeth and a technique that looks at variations in ocean strontium. Strontium is a chemical element that occurs ...

Remarkably, fossil shark teeth are also incredibly abundant. Sharks ruled the earth's oceans for 400 million years, and every individual grows and sheds thousands of teeth in their lifetime.

These love tokens were made from whale bone, baleen, walrus tusks, and sperm whale teeth and often depicted portraits of their loved ones, pictures of their ships, and patriotic imagery.