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Showing results for tags 'micro fossils'.
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Going through some Lee Creek micro matrix from the Aurora Fossil Museum. Here’s some of my finds so far!
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Got a couple finds from my Lee Creek micro matrix that I could use some help IDing. I’m assuming the first one is some sort of ray or fish tooth. 1. 2.
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These are my finds from a nice sample of sandy micro matrix from the Post Oak Creek in Sherman, TX. As others have attested, there are many fossils of sawfish to be found at the micro level. I very much enjoyed picking these as I find them as aesthetically pleasing as the denticles that I love to collect. The scale throughout is one millimeter. The stream wear made the ID of the oral teeth a bit difficult at times, so I lumped Ptychotrygon and Texatrygon sp. together. It was a real treat to find these Sawfish Rostral spines which I believe are those of Ischyrhiza texana. I found lots of interesting denticles. The Cantioscyllium decipiens and Chiloscyllium greeni teeth were distinctive enough for me to ID, but the ‘regular’ shark teeth were a bit too worn for me to be sure. Any help there is much appreciated. I think I found at least one Hybodus sp. tooth. (Cretalamna appendiculata ?) The fish material included the ubiquitous Enchodus sp. teeth and palatine bones, many fish coprolites, and lots of otherwise unidentified teeth. I photographed a few the more interesting bones some of which are probably of Pleistocene origin. continued...
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- cretaceous
- micro fossils
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These latest fossil images showcase the past six months of hunting and photographing tiny Triassic treasures from micro matrix derived from a 2 oz. (56 grams) chunk of bone bed from the Rhaetian Age of the Triassic Period at Aust Cliff, UK. They are approximately 200 million years old. I am fortunate to have been sent this very rich matrix from the UK by a friend and fellow avocational paleontologist across the pond who collected the matrix at Aust. After carefully breaking down about half of the densely packed bone bed rock, I found a wide variety of shark and boney fish fossils, most of which were entirely new to me. (As a result, I now have a large collection of papers regarding the Rhaetian Triassic!) Photographing the finds was very challenging due to the tiny size and the fact that they were very fragile and several broke with just a touch of the paintbrush hairs. These are some of the Triassic treasures that I found. (I will build a gallery for the entire collection.) Please let me know of any corrections needed. To begin, the shark teeth: Lissodus minimus is a common find, but difficult to recover complete. Rhomphaiodon minor is also quite common, and is much better preserved with complete roots. This was a nice surprise. The delicate Pseudodalatias barnstonesis lower is damaged, but identifiable. Duffinselache holwellensis I found it incredible that the tiniest fossils were some of the best preserved as were these Chondrichthyan dermal denticles. Here are some of the fish fossils collected. (I did my best at IDs for some of the teeth.) Thanks for looking
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- aust cliff uk
- micro fossils
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From the album: Micros from the Triassic of Aust Cliff, UK
© ©Julianna James
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From the album: Micros from the Triassic of Aust Cliff, UK
© ©Julianna James
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From the album: Micros from the Triassic of Aust Cliff, UK
© ©Julianna James
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From the album: Micros from the Triassic of Aust Cliff, UK
© ©Julianna James
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From the album: Micros from the Triassic of Aust Cliff, UK
© ©Julianna James
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From the album: Micros from the Triassic of Aust Cliff, UK
© ©Julianna James
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From the album: Micros from the Triassic of Aust Cliff, UK
© ©Julianna James
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From the album: Micros from the Triassic of Aust Cliff, UK
© ©Julianna James
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From the album: Micros from the Triassic of Aust Cliff, UK
© ©Julianna James
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From the album: Micros from the Triassic of Aust Cliff, UK
© ©Julianna James
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From the album: Micros from the Triassic of Aust Cliff, UK
© ©Julianna James
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From the album: Micros from the Triassic of Aust Cliff, UK
© ©Julianna James
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From the album: Micros from the Triassic of Aust Cliff, UK
© ©Julianna James
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From the album: Micros from the Triassic of Aust Cliff, UK
© ©Julianna James
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From the album: Micros from the Triassic of Aust Cliff, UK
© ©Julianna James
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From the album: Micros from the Triassic of Aust Cliff, UK
© ©Julianna James
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From the album: Micros from the Triassic of Aust Cliff, UK
© ©Julianna James
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From the album: Micros from the Triassic of Aust Cliff, UK
© ©Julianna James
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From the album: Micros from the Triassic of Aust Cliff, UK
© ©Julianna James
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From the album: Micros from the Triassic of Aust Cliff, UK
© ©Julianna James
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From the album: Micros from the Triassic of Aust Cliff, UK
© ©Julianna James
