Inversand
The skull of Mosasaurus hoffmani. From Lingham-Soliar 1995.
On my first trip to the Inversand marl pit in Sewell, New Jersey, I didn't find the wonderfully preserved Dryptosaurus skeleton I had been dreaming of. I picked up a number of Cretaceous bivalve shells and Paleocene sponges, but other than a few scraps of "Chunkosaurus" my excavations didn't yield very much. Before my paleontology class left the site, though, we took a walk by the spoil piles - great green mounds of sediment that had already been mined for glauconite. It had recently rained, and little pillars of the sandy green…