# Kaaucetus

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Extinct genus of cetaceans

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Kaaucetus Temporal range: Late Oligocene PreꞒ Ꞓ O S D C P T J K Pg N Scientific classification Kingdom: Animalia Phylum: Chordata Class: Mammalia Infraclass: Placentalia Order: Artiodactyla Infraorder: Cetacea Family: †Aetiocetidae Genus: †Kaaucetus Species: †K. thesaurus Binomial name †Kaaucetus thesaurus Hernández-Cisneros, 2022

***Kaaucetus*** is an [extinct](/source/Extinction) [genus](/source/Genus) of [aetiocetid](/source/Aetiocetidae) that inhabited what is now the coast of [Mexico](/source/Mexico) during the [Chattian](/source/Chattian) [stage](/source/Stage_(stratigraphy)) of the [Oligocene](/source/Oligocene) [epoch](/source/Epoch_(geology)). It contains a single [species](/source/Species), *K. thesaurus*.[1]

## References

1. **[^](#cite_ref-1)** Hernández-Cisneros, Atzcalli Ehécatl (31 December 2022). ["A new aetiocetid (Cetacea, Mysticeti, Aetiocetidae) from the late Oligocene of Mexico"](https://www.tandfonline.com/doi/full/10.1080/14772019.2022.2100725). *[Journal of Systematic Palaeontology](/source/Journal_of_Systematic_Palaeontology)*. **20** (1): 1–15. [doi](/source/Doi_(identifier)):[10.1080/14772019.2022.2100725](https://doi.org/10.1080%2F14772019.2022.2100725). [ISSN](/source/ISSN_(identifier)) [1477-2019](https://search.worldcat.org/issn/1477-2019). Retrieved 3 February 2025 – via Taylor and Francis Online.

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