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Showing results for tags 'cymatoceras'.
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nautiloid cymatoceras hilli Georgetown Formation
JamieLynn posted a gallery image in Member Collections
From the album: Texas Cretaceous Fossils: Ammonites and Nautiloids
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I had to stop by a work clients construction site today (he builds houses), a mere 3-4 miles from where I live. They had just dug trenches for the waterlines, so I glanced around..Lo and behold, I found the biggest Cymatoceras nautiloid I’ve ever found. Fat Albert must have eaten everything else on the surrounding acre, because I barely found anything else..LOL! I was pretty thrilled. It’s over 11.5 pounds. A friend asked me if it was an Eopachydiscus..nope, it’s a Tarrant county Grayson formation nautiloid!
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Here’s the before and after with the nautiloid that realized was crystallized inside, so I decided to slice it. The polishing process made a difference in bringing out the features inside. I’m not sure if this came from the Fort Worth formation (I think it is) or Grayson. Johnson County TX. Cymatoceras sp. outdoor pics are before polishing (I’m not sure if it shows up in order of my upload, doesn’t look like it initially).
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I previously posted my woodbine ammonite collection (calycoceras/conlinoceras). I’ve since sliced 2-3 that were without hope of reflecting external beauty, for lack of a better description as to why. Haha..I find a lot of nautiloids where I live due to proximity to Fort Worth/Grayson formations. Oftentimes, the spots that have mortoniceras ammonites also have occasional nautiloids. I exposed a small amount of crystallization while removing this nautilus, so I experimented with slicing this one. I’m glad I did! What a beauty. I have plenty of whole specimens (some QUITE large) that will stay whole, but this one is unique!
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