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Hemicyclaspis, armored jawless fish OviraptorHemicyclaspis (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
rex chomped into a fresh carcass
The holotype is a fragmentary specimen with a Charnia masoni like structure
Faint imprints of several dorsal vertebrae are also observed
Triforillonia costellae gen
000�36
These may show as raised lines
Conchoraptor Skull in matrix
Brachiosaurus
Fellow of Linnean Society
Its closest living relative is Araucaria bidwellii
800 calendar years ago
Duckbill ribs
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