Echinocaris punctatus (Hall)
Devonian
Chagrin Shale
South of Madison-On-The-Lake, Grand River, Lake Co.
Ohio, USA.

Phyllocarids were among the dominant small crustaceans of Paleozoic marine environments, serving an important role in ancient ecosystems. Fossils of Echinocaris are valued for their delicate preservation and their contribution to our understanding of early crustacean evolution.
30mm negative phyllocarid on 80mm slab