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Showing results for tags 'portland formation'.
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Hi all, I have a pair of dino tracks. The left one is a Grallator sp. from the Connecticut River Valley. The right one is an Anomoepus scambus from Granby, Massachusetts. I've been trying to figure out their formation. I know they come from the Newark Supergroup. I would like to narrow it down. Do they come from the Portland Formation?