An ancient cephalopod fossil may be the oldest ancestor of octopuses, but the interpretation hinges on the identification of one feature.

A study by Dr. Martin Ebert and Dr. Martina Kölbl-Ebert examined the remains of some 4,200 Tharsis fossil specimens. They ...

A fossil from the Fezouata Shale of Morocco shows a straight-shelled nautiloid that died, fell to the seafloor, and was colonized by dozens of tiny pterobranchs.

Prior to this study, only one squid beak had been discovered, but the sheer quantity found in this 100-million-year-old rock is a game-changer for our understanding of cephalopod evolution.

The fossil belongs to a cephalopod from the genus Endoceras, though the species is still unknown, said Michael Kjelland, who teaches biology and agribusiness at Mayville State University.

Scientists scanned a fossil of the Jurassic cephalopod Vampyronassa, pictured here, and found clues that it was an active hunter. A. Lethiers, CR2P-SU Finding and studying fossils of Earth’s ...

Fossils aren’t just pieces of the past that allow scientists to look backwards. They can play a role in modern policy decision-making, too.

The fossil, found by Jay Anderson in a Steele County gravel pit, was identified as belonging to the genus Endoceras, from the Paleozoic Era.

The new fossil, which has 10 arms, is the oldest known cephalopod to have suckers on its arms. Modern squids and cuttlefish have 10 arms and octopuses have eight. Vampire squids (which are not ...

New species of extinct vampire-squid-like cephalopod is the first of its kind with 10 functional arms Description of exceptionally preserved fossil pushes back age of Vampyropoda by nearly 82 ...