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Hemicyclaspis, armored jawless fish

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

Hemicyclaspis grew to a length of 5 inches (13 centimeters) and would most likely have fed on particles from the muddy sea bed.

This specimen was found in Scotland.
 


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Hemicyclaspis, armored jawless fish 

resin
7.5x2.5" fossil 10x8 matrix
Item 3313 

Category: Replicas
Type: Skeletons
Phylum: Vertebrates
Class: Fish

$39.00 

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Hemicyclaspis, armored jawless fish

Hemicyclaspis, armored jawless fish

Hemicyclaspis, armored jawless fish


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