For the first time in a few years, we've been able to hit the Niobrara outcrops in the spring! Holy crap was it cold. The last day out, I don't think it got above 50 degrees, not that the 40mph winds would make it feel any warmer. Perfectly miserable. And just like clockwork, on our last day, as the sun was setting behind a large row of thunderstorms on the horizon, we found the best skeleton of the trip! The rest of the time was staring at blank ground finding fossil poop.
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| Look at this swirly poop! |
I entertained myself by finding a "nice"
Xiphactinus tail. I was instructing a new hire on how to actually find fossils in pretty bleak badlands when I saw just a small fragment of tail fin coming out of the rock. I'm happy I found this one as since we have SO MANY
Xiphactinus specimens in storage, we've implemented a "one in, one out" policy on these fish and I've somewhat jokingly insinuated firing anyone that finds another of these darn fish. Our newbies were safe.
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| Well, there's a fish tail |
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| Jesse using a chainsaw to trench around the fossil |
When you find weathered out fish tail chunks, you have to chase them in (even if they're "just" a
Xiphactinus). Sometimes the rest of the tail is there. Sometimes there's the rest of a 15 foot long fish attached to it. Sometimes it just ends. In this case, we found a perfect lower lobe of the fin, but no body. As far as we were from the truck, I'm happy we didn't have to make a huge jacket, since those are heavy and I'm getting lazy in my old age.
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| Trenching complete, curatorial boot for scale |
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| Jacketing complete and ready to flip, other curatorial boot for scale |
Popping it out and prepping it was also quick. Measuring the vertebrae we found it's the exact same size to complete another
Xiphactinus specimen we excavated 3 years ago (which just happened to be missing the tail). This will help us out tremendously when we panel mount the animal in the near future.
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| Not too shabby! |
Other stuff was less plentiful on this first trip, but we were lucky enough to find parts of 3 sea turtles, which is always really nice.
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| Jesse and grace entrusted with power tools to get to a turtle |
And of course at the very last minute, Jesse stumbled on a pretty complete
Clidastes skull in an outcrop near where we discovered our gigantic 17 foot
Xiphactinus specimen 20 years ago. We worked very hard to excavate the specimen with daylight fading and weather bearing down on us.
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| Jesse and grace getting Clidastes block ready for jacketing |
The specimen was safely loaded in the truck by headlight, which also made for a really interesting drive through farm fields in the dark at the end of a 14 hour day. Prep is going on right now, so stay tuned to see how this cute little mosasaur turns out!
