Hemicyclaspis, armored jawless fish Oviraptor 800 calendar years ago

800 calendar years ago

Fellow of Linnean Society

Faint imprints of several dorsal vertebrae are also observed

rex chomped into a fresh carcass

Hemicyclaspis, armored jawless fish Oviraptor 800 calendar years agoHemicyclaspis (meaning half round shield or semicircle plate) is an extinct genus of primitive jawless fish, closely related to Cephalaspis, that lived in the Devonian period in what is now Europe and North America. A typical cephalaspid, Hemicyclaspis had a heavily armored, shovel shaped headshield. It is thought to have been a better swimmer than most of its relatives because of its powerful tail, stabilizing dorsal fin and the keel shaped