Sander’s colleague Heinz Furrer of the University of Zurich found these fossils from the late 1970’s until 1990. At one site, Furrer found a tooth. Most of the giant ichthyosaurs previously found were ...

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 ...

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.

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 ...

(MENAFN- The Conversation) The ratios of strontium isotopes in fossil shark teeth can be used to better understand how coastal environments evolved in ancient times, according to our newly ...

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.

A partially fossilized jaw and teeth, believed to belong to a whale ancestor from 35–40 million ... on January 27. The fossils were originally discovered in a cave by a Core Geo Expeditions ...