Disambiguation evidence for Carboniferous period via surface form
"Upper Carboniferous (Pennsylvanian)"
Triples (1)
Triples where some other subject referred to this entity
as "Upper Carboniferous (Pennsylvanian)".
Carboniferous period
→
alsoKnownAs
→
"Upper Carboniferous (Pennsylvanian)"
ⓘ
↳ resolves to Carboniferous period