Hemicidaris is an extinct genus of echinoids that lived from the Middle Jurassic to the Early Cretaceous. Its remains have been found in Africa, Asia, and Europe.
Hemicidaris is an extinct genus of echinoids that lived from the Middle Jurassic to the Early Cretaceous. Its remains have been found in Africa, Asia, and Europe.
==References== Fossils (Smithsonian Handbooks) by David Ward (Page 178)
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).