Type
Age
Age range
282–274.4 Ma

International Timescale

Guadalupian
Roadian
Cisuralian
Kungurian

Custom COSUNA

Guadalupian
Leonardian
Wolfcampian

COSUNA

Guadalupian
Leonardian
Wolfcampian

North American Regional

Roadian
Leonardian
Wolfcampian
282282281281280280279279278278277277276276275275

Macrostrat

Data

Platform

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