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Named By: Ray Lankester in 1869
Time Period: Early Devonian
Location: Scotland
Size: About 25 centimetres long
Diet: Sediment feeder
Fossil(s): More than two hundred individuals
Classification: | Chordata | Osteostraci | Cornuata | Zenaspidida | Zenaspididae |

Zenaspis is an extinct genus of jawless fish which existed during the early Devonian period. Due to it being jawless, Zenaspis was probably a bottom feeder. The fish was around 10 inches (25 cm) in length.

Read more about Zenaspis at Wikipedia
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