I came into the office this morning and discovered someone had left mysterious little fossils on my desk. I think I can identify these fossils (although nailing the specific species may be tricky). Can you identify them?

How's that for a little mid-week mystery?


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Last week I launched "Fossil Friday"—a weekly quiz testing your dino-fossil knowledge.

Last week's puzzler was a photo of a pre-historic animal from an undisclosed southern California location.

The answer: It's an American Lion from the La Brea Tar Pits! Kudos to Dan Coleman for figuring it out.  

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