ʻOku lava ʻo tānaki ʻa e vahe ponga tenga (pteridospermatophyta) ki he tengaʻiʻakau telefua, kā naʻe nau ʻauhamālie ʻaupito ʻosi ʻa e taʻu ʻe 400 miliona kuo hili pe ofi ki ai.