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The fossil record is full of gaps. This is because only a minor portion of life on Earth died in the right conditions to become a fossil. We, as paleontologists, work with the information we have to understand what Earth was like millions of years ago. We always hope to

Our Tale of Two Fishes continues today with an exciting [article] that came out in mid-March (2016). The article talks about the Tully Monster (Tullimonstrom gregarium), the state fossil of Illinois (USA), and a particularly difficult fossil to understand. The Tully Monster is found in sediments that are from the

Today, let’s start with the cave fish Cryptotora thamicola. It’s a fish, that lives in a cave. Caves are pretty neat environments because they become isolated very quickly – like islands, but underground. So when animals get stuck in caves, they speciate and become unique. Speciation is the process