Discovery of 520-million-year-old microfossils sheds light on early Cephalopod origin and evolution

Researchers have discovered a collection of 32 microfossils in the early Cambrian strata of southern Shaanxi province, China. Dating back approximately 520 million years, these tiny shell fossils are being identified as potential candidates for the earliest cephalopods ever recorded. The findings were detailed in a study published on July 29 in the journal Nature.

This discovery provides new insights into the evolutionary history of cephalopods, a group that includes modern squids, octopuses, and nautiluses. By examining these ancient specimens, scientists aim to better understand the origins and early development of this class of marine mollusks, potentially shifting the established timeline regarding when these creatures first appeared in the fossil record.