Daily Archives: January 20, 2017

Wooster’s Fossils of the Week: Revisiting a pair of hyoliths from the Middle Ordovician of Estonia

We met these modest internal molds of the mysterious hyoliths about five years ago. With a dramatic new development in hyolith studies, they are worth seeing again. These fossils are internal molds (the sediment that filled the shell) of of … Continue reading

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