. . . . . . . . "1969"^^ . . . "996286138"^^ . . . "Doushantuo type preservation"@en . . "The preservational mode of the Doushantuo formation involves very early phosphatisation on a cellular level - with cells being replaced by phosphate before they degrade."@en . . . . . . . "The preservational mode of the Doushantuo formation involves very early phosphatisation on a cellular level - with cells being replaced by phosphate before they degrade."@en . . "18229389"^^ . . . . .