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The Paleontological Society of Austin gets to go to the Lake Jacksboro site once a year.. Dallas Society also goes out there, so we try to make sure not to overlap, but surprisingly, the site is so productive, there's always great stuff to find! The Carboniferous Period- Pennsylvanian site is well known for its wide variety of fauna. I've been out there a dozen times and almost every time I find something new! It may seem a bit desolate, but it's worth the trek! My first happy find was a crinoid calyx. As with most Pennsylvanian sites, crinoids are prolific. But I've not found much complete crinoid material...but this time, I found two! Another fossil that is a special find out there is a little thing called a Rostroconch. It was originally thought to be a bivalve, but has been given it's own class. This is only the third one I've found. They are not common. Another of the most sought after fossils there are the Goniatites and Nautiloids. The big ones are rarely found whole, but you can also find tiny ones in the micro zone. Gonioloboceras and Tainoceras are the most common largeish ones and I have yet to find a GOOD complete one of either. I have found a few Gonioloboceras what were either almost whole or were so weathered that they look like zombies! This time I THOUGHT I had finally found a good complete one! This is what I saw and my heart did a flip flop! Unfortunately when I cleaned it up, the center was eroded but I actually kind of like the other side, even though it is weathered and a little "zombified" at least it's mostly whole! But the zigzag sutures are amazing! I found a few smaller ones in the field, but the big payday was the two 5 gallon buckets of micro matrix I brought home with me from the micro zone and found a PLETHORA of tiny goniatites this time! Top Row- R: Glaphyrites millsi C: Imitoceras grahamensis L: Neodimorphoceras texanum Bottom Row: Prouddenites grafordensis C: Wiedeyoceras pingue L: Unknown But this is kind of fascinating - it was encased in a little bit of matrix, so I tried to break it off but ended up kind of breaking the whole thing. But because of that, it released the tiny interior! Peritrochia sp. I certainly wish it were whole, but it's still fascinating to see the interior. Another new find was this little Brachiopod Fimbrinia - I'd been looking for one of these for a while and finally found one! Another nice little Brach with a surprising pearlescent surface - Kozlowskia splendens Also found this little Orbiculoidea missouriensis Here is an unusual coral called Palaeacis perpendicularis Found lots of cool gastropods, but my all time favorite is Cymatospira montfortianus I am already excited about getting back out there, maybe in the Fall because Texas summertime is NOT when you want to be out on those flats!
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- carboniferous
- gastropod
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I’m new to fossils - can someone help me put together what this is? It was found in a limestone creek bed in Garland, TX. Coral maybe? Hand for scale.
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Found this rock hounding in Texas, is this a tooth? Thanks for any and all help!
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Hey guys new here, I found this a few days ago in west Texas and was hoping someone could help me out with an ID.. any help on this is greatly appreciated
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A few different creek finds, not sure if it's anything. NE Austin, TX
kaleidoscopica posted a topic in Fossil ID
1. Looks boney: 2. Some kind of shell?: 3. No idea at all: 4. Hoping it's something cool, but prepared to be let down, ha!: 5. Same as 4, no idea: Thanks in advance
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Any thoughts on if this is a coprolite. Tarrant County, Texas. Thanks
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From the album: Texas Cretaceous Fossils: Reptiles and Amphibs
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From the album: Texas Cretaceous Fossils: Reptiles and Amphibs
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From the album: Texas Cretaceous Fossils: Reptiles and Amphibs
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From the album: Texas Cretaceous Fossils: Reptiles and Amphibs
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From the album: Texas Cretaceous Fossils: Reptiles and Amphibs
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Reptile Scincid Sauriscus sp. Aguja Formation
JamieLynn posted a gallery image in Member Collections
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From the album: Texas Cretaceous Fossils: Reptiles and Amphibs
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Dinosaur Dromaeosaur saurnitholestes Aguja Formation
JamieLynn posted a gallery image in Member Collections
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From the album: Texas Cretaceous Fossils: Dinosaur and Mammal
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Found in Laredo texas
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I feel like I should know what this, but am drawing a blank. Pennsylvanian limestone from the Pedernales park in Texas, USA. Roughly 2x4cm
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From the album: Texas Cretaceous Fossils: Ammonites and Nautiloids
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From the album: Texas Cretaceous Fossils: Ammonites and Nautiloids
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Ammonite Mariella worthensis Del Rio Formation
JamieLynn posted a gallery image in Member Collections
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From the album: Texas Cretaceous Fossils: Ammonites and Nautiloids
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Ammonite Mortoniceras equidistans Georgetown Formation
JamieLynn posted a gallery image in Member Collections
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From the album: Texas Cretaceous Fossils: Ammonites and Nautiloids
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From the album: Texas Cretaceous Fossils: Starfish and Crinoids
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From the album: Texas Cretaceous Fossils: Starfish and Crinoids
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From the album: Texas Cretaceous Fossils: Starfish and Crinoids
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From the album: Texas Cretaceous Fossils: Starfish and Crinoids
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