David Peterman in the AMMLab (Ammonoid Motility Modeling Laboratory) holding a 3-D-printed reconstruction of the planispiral ammonite, Paracoroniceras lyra. David Peterman, Kathleen Ritterbush and ...

An ancient cephalopod fossil may be about to rewrite the history of octopuses and vampire squid, but it depends on who you ask. At the very least, it’s offering up a lesson in how hard it is to ...

The word “fossil” tends to evokes calcified bones or shells — the “hard” body parts of an animal that died long ago. That’s partially because it is very rare for soft tissue — literal flesh making up ...

New research shows that the oldest ancestors of the group of animals that includes octopuses and vampire squids had not eight but 10 arms. The study, which describes a new species of vampyropod based ...

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 ...

Paleontologists believe they have discovered a new genus and species of extinct cephalopod with ten functional arms, similar to a vampire squid. The 328-million-year-old fossil is the earliest known ...