Hemicyclaspis

Hemicyclaspis

Taxobox
name = "Hemicyclaspis"
fossil_range = Early Devonian



regnum = Animalia
phylum = Chordata
classis = Agnatha
ordo = Cephalaspidomorphi
genus = "Hemicyclaspis"

"Hemicyclaspis" 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 hydrodynamic edges of its head shield. "Hemicyclaspis" probably foraged the ocean floor for food.


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