the carboniferous period can be sometimes divided into the pennsylvanian and mississippian periods. so you'll sometimes see carboniferous and sometimes pennsylvanian/mississippian.JonnyC wrote:Some things like
Is it Carboniferous period, or Pennsylvanian/Mississippian period?
And some of the info like Did land animals emerge during the silurian or devonian period?
as for land animals, im not really sure, but since silurian and devonian are right next to each other, you can assume that they're sometime around those periods.