Disambiguation evidence for Ordovician Period via surface form
"Ordovician as a separate geological period between Cambrian and Silurian"
Triples (1)
Triples where some other subject referred to this entity
as "Ordovician as a separate geological period between Cambrian and Silurian".
Charles Lapworth
→
proposed
→
"Ordovician as a separate geological period between Cambrian and Silurian"
ⓘ
↳ resolves to Ordovician Period