Disambiguation evidence for Pliocene epoch via surface form

"Pliocene–Pleistocene boundary"

Triples (1)

Triples where some other subject referred to this entity as "Pliocene–Pleistocene boundary".

Gauss–Matuyama geomagnetic reversal → usedToDefine →
"Pliocene–Pleistocene boundary"
↳ resolves to Pliocene epoch
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