|Named By:||Ray Lankester in 1869|
|Time Period:||Early Devonian|
|Size:||About 25 centimetres long|
|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.