Phylum Chordata Order Zenaspida | Rank Genus Subclass Cornuata | |
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Similar Thyestiida, Thyestes, Ateleaspis, Auchenaspis, Osteostraci | ||
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.
References
Zenaspis Wikipedia(Text) CC BY-SA