The oldest known animal in the geological record has been identified, in a discovery that scientists are calling "the Holy Grail of palaeontology."
원문출처 : https://www.cnn.com/2018/09/21/health/oldest-known-animal-fossil-intl/index.html
원문출처 : https://www.cnn.com/2018/09/21/health/oldest-known-animal-fossil-intl/index.html