The ammonoids, an extinct subclass of cephalopods, offer a remarkable window into the evolutionary innovations of marine life. Their coiled, chambered shells and intricate suture patterns record a ...

Coleoid cephalopods, which include squids, octopuses and cuttlefish, represent a dynamic and diverse group whose palaeontological record provides critical insights into evolution and adaptation in ...

Genomic analysis reveals squid and cuttlefish evolved in deep oceans, survived mass extinction in refuges, and later rapidly diversified, following a “long fuse” evolutionary pattern.

From color-changing skin to jet-propelled motion, squid and cuttlefish have long fascinated scientists. To understand the origins of their unique characteristics, many attempts have been made to ...

Newly published research concludes that fossilized remains listed by Guinness World Records as the earliest known octopus ...