middle Tertiary
preferred label: ترشیری میانی @fa
type: Concept
related: upper Tertiary

Gauss Epoch
preferred label: اشکوب گاوس @fa
type: Concept
related: upper Tertiary

Matuyama Chron
preferred label: دوره ماتویاما @fa
type: Concept
related: upper Tertiary

upper Tertiary
type: Concept
related: lower Tertiary
related: Gauss Epoch
related: Neogene
related: Matuyama Chron
related: Gilbert Chron
related: middle Tertiary
preferred label: ترشیری فوقانی @fa
narrower: Poznan Clay
broader: Tertiary

lower Tertiary
preferred label: ترشیری زیرین @fa
type: Concept
related: upper Tertiary

Neogene
preferred label: نئوژن @fa
type: Concept
related: upper Tertiary

Gilbert Chron
preferred label: دوره گیلبرت @fa
type: Concept
related: upper Tertiary

Poznan Clay
preferred label: رس پوزنان @fa
type: Concept
broader: upper Tertiary

Tertiary
preferred label: ترشیری @fa
type: Concept
narrower: upper Tertiary