#FossilFriday, and it seems to be a month for molluscs. This is the ammonite Parahoplitoides cerrosensis from the Late Cretaceous of Shasta Co., California. Fossils remind us of the impermanence of all things, even dictators and oligarchs. #paleontology @calacademy.bsky.social https://flic.kr/p/Yx4eNr