Igba iwaju Kambria (Pre-Cambrian) ni oruko afisise fun ibu asiko siwaju  Iggbarun Igbeyosaye isinyi, be sini o je Igbarungbangba to pin si and is a  Supereon divided into several igbarun orisirisi lori osuwon asiko iseorooriile.. 
O gbagbo ninu atunto ilu lati ipasẹ̀ orin kikọ.ibẹrẹ aye rẹ ologunde mu oruko inagijẹ rẹ "Lagbaja" látara "Jane Dodo" ti o tunmọ si en t o fi oju rẹ pamo.. 