Koristocetus

{{Speciesbox

| fossil_range = Late Miocene

| genus = Koristocetus

| species = pescei

| authority = Collareta et. al., 2017

}}

Koristocetus is an extinct genus of kogiid cetacean that lived in what is now Peru during the Late Miocene. It is a monotypic genus that contains the species K. pescei.{{Cite journal |last1=Collareta |first1=Alberto |last2=Lambert |first2=Olivier |last3=de Muizon |first3=Christian |last4=Urbina |first4=Mario |last5=Bianucci |first5=Giovanni |date=7 December 2012 |title=<i>Koristocetus pescei</i> gen. et sp. nov., a diminutive sperm whale (Cetacea: Odontoceti: Kogiidae) from the late Miocene of Peru |url=https://fr.copernicus.org/articles/20/259/2017/ |journal=Fossil Record |language=en |volume=20 |issue=2 |pages=259–278 |doi=10.5194/fr-20-259-2017 |doi-access=free |issn=2193-0074 |access-date=5 January 2025 |via=Copernicus Publications|hdl=11568/891486 |hdl-access=free }}