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Found 9 results

  1. Fullux

    Black Creek group

    Howdy all. Trying to make a list of floral and faunal species from the Black Creek group of North Carolina. Does anyone know of any species other than: - Appalachiosaurus montgomeriensis - Deinosuchus rugosus/schwimmeri - Hypsibema crassicauda - Lophorhoton atopus - Coelosaurus antiquus - Leptoceratopsidae indet. - Dromaeosauridae indet. - Brachyphyllum squammosum - Moriconia cyclotoxon - Geinitzia reichenbachii - Androvettia carolinensis Floral species would very much be helpful as I'm attempting to reconstruct the ecosystem that was present there, but anything would be very helpful. Thanks, Anthony
  2. I recently read that the only skeleton currently known of Appalachiosaurus was of a juvenile, and the adult animal was significantly bigger. The juvenile skeleton was about 21 feet long, and the animal likely weighed 1,300 pounds. This skeleton is about the size of a juvenile Tyrannosaurus rex (using the "Jane" specimen for scale, BMRP 2002.4.1) and, this raises a question in my mind. Is it possible that Appalachiosaurus montgomeriensis would have attained adult sizes close to what we see in adult specimens of Tyrannosaurus rex? And as such, could we classify it as a megatheropod? Of course there are several other factors in this, such as age, growth stages, and environmental pressure that the animal may have experienced in life.
  3. Fullux

    Coon Creek Vertebrate?

    These are a few things that some of my family members found when we went on a hunt in the Coon Creek Formation in McNairy County, Tennessee. I'm pretty sure the smaller one is just some hematite formation but I'm not sure about the other one.
  4. Tyrannosauridae Dinosaur diversity was unique in the Western and Eastern areas of the North American Continent during the Late Cretaceous era around 95-66 Million Years ago) as a result of a seaway the cut the continent in two (creating the continents of Laramidia (now Western North America) and Appalachia (now Eastern North America)). By the Maastrichtian stage of the Cretaceous 68 Million Years ago, the seaway decreased in size and a land bride formed between Laramidia and Appalachia. https://deeptimemaps.com/western-interior-seaway/ This is around the same time Tyrannosaurus rex emerged in Laramida and other Tyrannosauridae including the smaller Dryptosaurus lived in Appalachia. Map of the currently known Tyrannosaurus rex fossil discovery sites Maps of the currently known Maastricthian Tyrannosauridae fossil discovery sites in Eastern North America (not shown on the maps here are Late Cretaceous Tyrannosauridae fossil sites in South Carolina and North Carolina) https://paleobiodb.org/navigator/ What I'm wondering is even with this land bridge formed, what prevented Tyrannosaurus from colonizing the Eastern portion of North America during the Maastricthian Cretaceous? If it didn't prevent this, has there been any fossils found in the Eastern portion of North America that belong to the Tyrannosauridae genus Tyrannosaurus?
  5. Fullux

    Deinosuchus?

    Really interested in this specimen. Found in Barbour County, Alabama. Described as being Deinosuchus rugosus. Is that accurate?
  6. https://www.bbc.com/future/article/20230202-the-weird-dinosaurs-of-americas-lost-continent
  7. My last few excursions have been a continuation of my exploration of the Woodbine. In my experience, it is a very difficult formation to hunt on, so even the smallest of discoveries is a welcome sight to behold. If you have the fortune of finding something there, it is likely to be different and unlike anything from the nearby surrounding formations. My most recent outing took me to an exposure rich with coalified material. The "peat" layer I dug into was extremely brittle and fell apart with minimal effort. Densely packed in was numerous chunks of wood and fragments of leaves likely from the forest floor of the ancient continent Appalachia. If I hadn't dug it out from under several meters of rock myself, I would have thought these things to be modern in age (many of the leaves were just like the dried ones you could find in throughout a yard). I tried my best to spot any bones, but it seemed that only plants were present. I spent most of the day carefully splitting these slabs only to find bits of leaves that immediately fell apart upon exposure. Luckily, I was able to grab a handful of nice specimens that I could take home and consolidate with some paraloid b72. They are much sounder structurally now, though they are still very fragile. I'm not sure if it's even worth trying to ID as many of my specimens are extremely fragmented. However, I think they are distinct enough to see the general shape of the leaves and create a crude snapshot of a Cretaceous forest floor. If you see something you recognize, feel free to share! Here are some photos: Piece 1: Sort of looks like a conifer leaf Piece 2: Piece 3: Piece 4: A tiny leaf Piece 5: This one is actually double-sided. On the front is a large leaf. The other side has a conglomerate of many small leaves similar to the ones found on piece 3. Thanks for reading!
  8. RDCLL17

    Prehistoric Alligator?

    I recently did some work for someone In the coal mining industry in Southwest Virginia/Appalachian Mtns.I noticed they had some fossils and they let me have some of them. Most of them were fossilized trees/fauna and such. But these right here stood out and was curious as to what they was. I'm no paleontologist but my impression it is some type of alligator. It was found near one of the coal mines on a mountain. There are a couple of other bones as well. I apologize if the quality of some of the pictures isn't the best, we're currently having lighting issues in my shop. Thank you for your time.
  9. Skellyborden

    Crinoid? Cephalopod? Other marine life?

    Hello all, and thanks for being here! I am looking for an ID on these fossils for my own gratification! My focus is in archaeology, so I come across fossils often during surface collection adventures! A little about the location: These were found in Nancy, Kentucky, USA on a partially man made flood-control lake called Lake Cumberland (Cumberland river basin/Cumberland plateau). The banks are rich with small to medium chert concretions, fossiliferous sedimentary stones, and small to medium iron inclusions. Preservation of these specimens are, generally, fair to good. I found this piece along with horn corals, only a couple of brachiopods, and a wealth of crinoid stem pieces in less than 20 minutes! I thank you all in advance for any information you can give me! -Skelly B. Specimen 1- Specimen 2 - Specimen 3 -
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