Kentland crater
* ‘"300 MYA‘"= Bzhelian or Late Pennsylvanian Epoch ( Carboniferous Period ) of the Paleozoic Era 
<triplet> Pennsylvanian <subj> Carboniferous <obj> part of <triplet> Carboniferous <subj> Paleozoic <obj> part of <triplet> Paleozoic <subj> Carboniferous <obj> has part