Oldest-known octopus relative dating back 328 million years discovered(1/3)

Artistic reconstruction of the cephalopod species Syllipsimopodi bideni, whose fossil was discovered in Montana, inhabiting a marine environment beneath a tropical bay 328 million year old during the Carboniferous Period. Syllipsimopodi is the oldest-known relative of today's octopuses. (Photo/Agencies)

Artistic reconstruction of the cephalopod species Syllipsimopodi bideni, whose fossil was discovered in Montana, inhabiting a marine environment beneath a tropical bay 328 million year old during the Carboniferous Period. Syllipsimopodi is the oldest-known relative of today's octopuses. (Photo/Agencies)

Artistic reconstruction of the cephalopod species Syllipsimopodi bideni, whose fossil was discovered in Montana, inhabiting a marine environment beneath a tropical bay 328 million year old during the Carboniferous Period. Syllipsimopodi is the oldest-known relative of today's octopuses. (Photo/Agencies)