# Cheirothyris

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{{Short description|Extinct genus of brachiopods}}
{{Automatic taxobox
| fossil_range = Upper [Jurassic](/source/Jurassic)
| image = 
| image_caption = 
| taxon = Cheirothyris
| authority =
| subdivision_ranks = Species
| subdivision = 
}}

'''Cheirothyris''' is a [genus](/source/genus) of fossil [brachiopod](/source/brachiopod) from the [Upper Jurassic](/source/Upper_Jurassic) period. The shells of this genus are characterised by four, high, radially arranged ribs on each valve. On the anterior edge of the valves the ribs protrude like fingers, so that the shells look like the webbed feet of birds from above.<ref>Ivanov, Hrdlickova & Gregorova (2001) '''The Complete Encyclopedia of Fossils: A Comprehensive guide to Fossils from around the world''' Rebo Publishers, The Nederlands. pp. 312 {{ISBN|90-366-1500-3}}</ref> ''Cheirothyris fleuriausa'' is one of the largest reported specimens measuring about 3&nbsp;cm.

==References==
{{Reflist}}

{{Taxonbar|from=Q5089716}}

Category:Prehistoric brachiopod genera
Category:Jurassic brachiopods
Category:Jurassic animals of Europe
Category:Terebratulida

{{brachiopod-stub}}

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