Discovery of phosphatized gastrula fossils from the Dou- shantuo Formation, Weng’an, Guizhou Provinc

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Globular fossils from Doushantuo phosphorites at the Weng’an area are for the first time identified as a gas-trulation stage of phosphatized embryos. They are got from the fossiliferous remains after acetic acid maceration. The fossils are found together
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