Lewesiceras is a genus of large ammonites belonging to the order Ammonitida and the family Pachydiscidae.
Lewesiceras is a genus of large ammonites belonging to the order Ammonitida and the family Pachydiscidae.
They lived in the late Cretaceous period, in the Cenomanian and Turonian ages, which occurred 99.6-89.3 million years ago. These shelled ammonoids were nektonic, fast-moving and carnivorous.
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).