Hemipneustes is an extinct genus of sea urchins belonging to the family Holasteridae.
Hemipneustes is an extinct genus of sea urchins belonging to the family Holasteridae.
These semi-infaunal detritivores lived during the Upper Cretaceous period, from 70.6 to 66.043 million years ago. Fossils of this genus have been found in the sediments of Netherlands, Belgium, Bulgaria, India, Iran, Oman and Spain.
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).