Daily Archives: August 4, 2013

Wooster’s Fossil of the Week: An irregular echinoid from the Middle Jurassic of southern Israel

From the view above, this fossil from the Matmor Formation (Middle Jurassic, Callovian) of southern Israel looks like your standard echinoid (a group that contains sea urchins and sand dollars), but turn it on its side (see below) and you … Continue reading

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