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Faint imprints of several dorsal vertebrae are also observed
Duckbill ribs
Brachiosaurus
These may show as raised lines
The holotype is a fragmentary specimen with a Charnia masoni like structure
Hemicyclaspis, armored jawless fish Oviraptor Faint imprints of several dorsalHemicyclaspis (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