Based on the protruding part of the upper jaw bones, museum officials determined the item brought in by Saka was a dolphin’s head and asked him to donate the fossil for its collection.

Around 16 million years ago, a dolphin giant cruised the depths of its watery domain. But unlike most modern dolphins, its home wasn’t an ocean; it lived in a freshwater lake in the Peruvian Amazon.

The only fossil known of this dolphin to date comes from a site near Linz in Upper Austria. It was assigned to a new, ...

MAEBASHI—Two fossils found by a lifelong collector of natural objects represent a new species of the Delphinidae family, whose offspring include the killer whale and dolphin varieties ...

They evolved separately around 250 million years ago, possibly from a crocodile-like ancestor, to resemble fish and modern dolphins ... preserved specimens. This fossil promises to change the ...

A 6 million-year-old dolphin-like fossil found off the Caribbean coast of Panama has now been dubbed a new species by researchers at the Smithsonian Institute. A detailed description of the fossilized ...

Evidence from the fossil, including teeth marks on the bones of a Pliocene dolphin of the species Astadelphis gastaldii reveal that the Cosmopolitodus Hastalis attacked its prey from below and behind.

Scientists unveiled a 16 million-year-old fossil skull unearthed in Peru of a river dolphin that once swam in waters that are now the Amazon, and whose closest living relative is the South Asian ...

They had begun evolving into whales before eventually dying out, research into a North Canterbury fossil has discovered. Icthyosaurs, marine reptiles that looked like dolphins, largely went ...