Octomys rosiae

{{Short description|Extinct species of mammal}}

{{Speciesbox

| fossil_range = Holocene

| extinct = yes

| genus = Octomys

| species = rosiae

| authority = Verzi et. al., 2023

}}

Octomys rosiae is an extinct species of Octomys that inhabited Argentina during the Holocene epoch.{{Cite journal |last1=Verzi |first1=Diego H |last2=Olivares |first2=A Itatí |last3=De Santi |first3=Nahuel A |last4=Morgan |first4=Cecilia C |last5=López |first5=José Manuel |last6=Chiavazza |first6=Horacio |date=15 December 2023 |editor-last=Rowe |editor-first=Kevin |title=A new extinct desert rodent from the Holocene of South America and its bearing on the diversity of Octodontidae (Hystricognathi) |url=https://academic.oup.com/jmammal/article/105/1/59/7475689 |journal=Journal of Mammalogy |language=en |volume=105 |issue=1 |pages=59–72 |doi=10.1093/jmammal/gyad106 |issn=0022-2372 |access-date=15 December 2024 |via=Oxford Academic|url-access=subscription }}