Tylocidaris is an extinct genus of sea urchins that lived from the Early Cretaceous to the Eocene. Its remains have been found in Europe and North America.
Tylocidaris is an extinct genus of sea urchins that lived from the Early Cretaceous to the Eocene. Its remains have been found in Europe and North America.
==References== Fossils (Smithsonian Handbooks) by David Ward (Page 177)
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).