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Prey fractionation in the Archaeocyatha and its implication for the ecology of the first animal reef systems | Paleobiology | Cambridge Core
![File:Archaeocyathan limestone (Wilkawillina Limestone, Lower Cambrian; ridgetop east of Old Wirrealpa Mine, Flinders Ranges, South Australia).jpg - Wikimedia Commons File:Archaeocyathan limestone (Wilkawillina Limestone, Lower Cambrian; ridgetop east of Old Wirrealpa Mine, Flinders Ranges, South Australia).jpg - Wikimedia Commons](https://upload.wikimedia.org/wikipedia/commons/0/09/Archaeocyathan_limestone_%28Wilkawillina_Limestone%2C_Lower_Cambrian%3B_ridgetop_east_of_Old_Wirrealpa_Mine%2C_Flinders_Ranges%2C_South_Australia%29.jpg)
File:Archaeocyathan limestone (Wilkawillina Limestone, Lower Cambrian; ridgetop east of Old Wirrealpa Mine, Flinders Ranges, South Australia).jpg - Wikimedia Commons
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