Still, the study lends credence to a longstanding hunch among researchers in the field, who suspected that the octopus’ ancient relatives had 10 arms, according to CNN. Now, they have direct proof.

a mollusk that split apart from the octopus approximately 480 million years ago. The fact that these species share this ...

Use precise geolocation data and actively scan device characteristics for identification. This is done to store and access ...

The research suggest octopus and other cephalopods, like squid and cuttlefish, all rely on the ancient chromosome to ...

Scientists have made an exciting discovery about octopuses: they have one of the oldest known sex chromosomes in the animal ...

Researchers have identified a sex chromosome in the California two-spot octopus. This chromosome has likely been around for 480 million years, since before octopuses split apart from the nautilus on ...

Scientists at University of Oregon discover one of the oldest known animal sex chromosomes in California two-spot octopus.