SENONIAN FOSSILS FROM TOURAINE

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Description	Genus	Species	Classification	Fossilization	Formation	Origin
basal parts of sponges	Jerea	clavata	Sponges	silicification	clayey-siliceous formations	region of la Claise

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Called formerly "Coeloptychium", these fossils would be basal parts of the sponge Jerea clavata (information of Cyril Gagnaison). A complete specimen tends to prove it on the next page.