Disambiguation evidence for Permian–Triassic mass extinction via surface form

"Permian–Triassic boundary"

Triples (4)

Triples where some other subject referred to this entity as "Permian–Triassic boundary".

Permian–Triassic mass extinction → isBoundaryLevel →
"Permian–Triassic boundary"
ⓘ
Meishan section → marks →
"Permian–Triassic boundary"
ⓘ
Great Dying → geologicalBoundary →
"Permian–Triassic boundary"
ⓘ