Priabonian

EtymologyName formalityFormalUsage informationCelestial bodyEarthRegional usageGlobal (ICS)Time scale(s) usedICS Time ScaleDefinitionChronological unitAgeStratigraphic unitStageTime span formalityFormalLower boundary definition of the large acarininids and the ForaminiferanLower boundary GSSPAlano section, Piave river, Venetian Prealps, Belluno, Italy
45°54′51″N11°55′05″E / 45.9141°N 11.9180°E / 45.9141; 11.9180Lower GSSP ratifiedFebruary 2020Upper boundary definitionLAD of Planktonic ForaminifersHantkenina and Upper boundary GSSPMassignano quarry section, , Ancona, Italy
43°31′58″N13°36′04″E / 43.5328°N 13.6011°E / 43.5328; 13.6011Upper GSSP ratified1992

The Priabonian is, in the ICS's geologic timescale, the latest age or the upper stage of the EoceneEpoch or Series. It spans the time between 37.71 and33.9 Ma. The Priabonian is preceded by the Bartonian and is followed by the Rupelian, the lowest stage of the Oligocene.

Priabona, an extinct dipteran in the family Pipunculidae, is named after the Priabonian, the age of deposits from which this insect is known.