geological-period public under geological-time-division 29 List Picture As a command %3 n0 geological-period n2 cambrian n0->n2 n3 carboniferous n0->n3 n4 cretaceous n0->n4 n5 devonian n0->n5 n6 ice-age n0->n6 n7 jurassic n0->n7 n8 neogene n0->n8 n9 ordovician n0->n9 n10 paleogene n0->n10 n11 permian n0->n11 n12 quaternary n0->n12 n13 silurian n0->n13 n14 triassic n0->n14 n1 geological-time-division n1->n0