SENONIAN FOSSILS FROM TOURAINE

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Description	Genus	Species	Classification	Fossilization	Formation	Origin
sponge	Jerea	clavata	Sponges	silicification	clayey-siliceous formations	?

Coll. Museum of le Grand-Pressigny

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This specimen is very interesting because it tends to show that what we called formerly "Coeloptychium" would be basal parts of Jerea clavata (look at previous page).