# Aetostreon

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***Aetostreon*** is an extinct [genus](/source/Genus)[1] or [subgenus](/source/Subgenus) within the genus *[Exogyra](/source/Exogyra)*[2] of [fossil](/source/Fossil) [marine](/source/Marine_(ocean)) [oysters](/source/Ostreoida) in the family [Gryphaeidae](/source/Gryphaeidae).[2][1]

## Select species

- †*Aetostreon latissimum* (Lamarck, 1801)
- †*Aetostreon pilmatuegrossum* Rubilar & Lazo, 2009[1]
- †*Aetostreon subsinuatum* (Leymerie 1842)

## References

1. Rubilar, A.E & Lazo, E.B. (2009). "Description of *Aetostreon pilmatuegrossum* sp. nov. from the Lower Cretaceous of Argentina (Neuquén Basin), and significance of the conservative left valve morphology in oysters of the genus *Aetostreon* Bayle". *Cretaceous Research*. **30** (3): 727–748. [doi:10.1016/j.cretres.2008.12.013](https://doi.org/10.1016/j.cretres.2008.12.013). [hdl:11336/92705](https://hdl.handle.net/11336/92705)

1. ["†*Exogyra (Aetostreon)* Bayle 1878"](https://paleobiodb.org/classic/checkTaxonInfo?taxon_no=118251). *Paleobiology Database*. Fossilworks. Retrieved 17 December 2021.

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