Leptosphinctes is an extinct genus from a well-known class of fossil cephalopods, the ammonites. It lived during the Jurassic Period, which lasted from approximately 200 to 145 million years ago.
Leptosphinctes is an extinct genus from a well-known class of fossil cephalopods, the ammonites. It lived during the Jurassic Period, which lasted from approximately 200 to 145 million years ago.
==Distribution== Jurassic deposits of British Columbia, Egypt, Hungary, Iran, Mexico, Poland, Saudi Arabia and Spain.
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).