Mar 8, 2022 · This artist's illustration depicts a newly discovered 328 million-year-old ancestor of modern octopuses and vampire squids.

Aug 7, 2023 · The ancient octopus fossil, which was found in Montana's Bear Gulch limestone formation, was 4.7 inches (12 centimeters) long. The preserved species shows that the …

Mar 14, 2025 · This suggests early octopus relatives weren’t as soft-bodied as we thought, and Proteroctopus appears to be a key transitional form between squid-like ancestors and modern …

An octopus (pl.: octopuses or octopodes [a]) is a soft-bodied, eight-limbed mollusc of the order Octopoda (/ ɒ k ˈ t ɒ p ə d ə /, ok-TOP-ə-də [3]). The order consists of some 300 species and …

Mar 13, 2024 · Discovered in Montana’s Bear Gulch limestone formation and described in 2022, the specimen has ten limbs, whereas modern octopuses have eight. Previously, the oldest …

Mar 30, 2021 · The oldest known cephalopod — part of the group that includes octopuses, squid, cuttlefish and nautiluses — is more than half a billion years old, a new study suggests.

Mar 8, 2022 · Scientists have found the oldest known ancestor of octopuses – an approximately 330 million-year-old fossil unearthed in Montana.

Mar 22, 2022 · NEW HAVEN — A close look at a 328 million-year-old ancestor of today’s octopuses revealed 10 arms, confirming theories of how the creatures evolved. And in a nod …

Mar 20, 2022 · In an ancient shallow bay of what is now Montana, the body of an octopus-like creature the size of a fist was buried on the seafloor. Some 325-328 million years later, a new …

Mar 8, 2022 · Researchers have named the previously unknown species Syllipsimopodi bideni after US President Joe Biden. The creature's discovery pushes back the time frame when …