61:2.13 By the close of this [http://en.wikipedia.org/wiki/Oligocen Oligocene] period, covering ten million years, the [[plant]] life, together with the [[marine]] life and the [[land]] [[animals]], had very largely evolved and was present on [[earth]] much as today. Considerable specialization has subsequently appeared, but the [[ancestral]] [[forms]] of most living [[things]] were then alive. | 61:2.13 By the close of this [http://en.wikipedia.org/wiki/Oligocen Oligocene] period, covering ten million years, the [[plant]] life, together with the [[marine]] life and the [[land]] [[animals]], had very largely evolved and was present on [[earth]] much as today. Considerable specialization has subsequently appeared, but the [[ancestral]] [[forms]] of most living [[things]] were then alive. |