# Zenaspis

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> Source: https://en.wikipedia.org/wiki/Zenaspis
> Source revision: 1338783621
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{{Short description|Extinct genus of jawless fishes}}
{{refimprove|date=February 2026}}
{{Automatic taxobox
| fossil_range = {{fossil range|Early Devonian}}
| image = Zenaspis cf powriei.jpg
| image_caption = Fossil of ''Zenaspis powriei''
| taxon = Zenaspis
| authority = [Lankester](/source/Ray_Lankester), 1869
| type_species = '''''Zenaspis salweyi'''''
| subdivision_ranks = Species
| subdivision = *''Zenaspis pagei''
*''Zenaspis podolica''
*''Zenaspis powriei''
*''Zenaspis salweyi''
*''Zenaspis waynensis''
}}

'''''Zenaspis''''' is an extinct [genus](/source/genus) of [osteostracan](/source/Osteostraci) jawless fish which existed during the early [Devonian](/source/Devonian) period. Due to it being jawless, ''Zenaspis'' was probably a [bottom feeder](/source/bottom_feeder). ''Zenaspis'' was around 10 inches (25 cm) in length. It had a [horseshoe](/source/horseshoe) shaped head that probably sheltered a small [brain](/source/brain).<ref>{{Cite book |url=https://books.google.com.eg/books?id=z5GhqfcmpHAC&newbks=0&printsec=frontcover&pg=RA2-PA32&dq=Zenaspis&hl=fr&redir_esc=y#v=onepage&q=Zenaspis&f=false |title=Palaeontographical Society |date=1870 |publisher=Palaeontographical Society |language=en}}</ref><ref>{{Cite web |date=2014-08-27 |title=Zenaspis: Lower Devonian Bony Fish Of Podolia, Ukraine {{!}} Science 2.0 |url=https://www.science20.com/heidi_henderson/zenaspis_lower_devonian_bony_fish_of_podolia_ukraine-257007 |access-date=2026-02-17 |website=www.science20.com |language=en}}</ref><ref>https://www.paleocodex.com/species/102710</ref>
thumb|Life reconstruction of ''Zenaspis pagei''

==References==
{{reflist}}
{{Osteostraci}}
{{Taxonbar|from=Q8069018}}

Category:Osteostraci genera
Category:Devonian jawless fish
Category:Early Devonian fish of Europe

{{Devonian-jawless-fish-stub}}

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Adapted from the Wikipedia article [Zenaspis](https://en.wikipedia.org/wiki/Zenaspis) by Wikipedia contributors ([contributor history](https://en.wikipedia.org/wiki/Zenaspis?action=history)). Available under [Creative Commons Attribution-ShareAlike 4.0 International](https://creativecommons.org/licenses/by-sa/4.0/). Changes may have been made.