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Showing results for tags 'pleistocene'.
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Found on a river gravel bar in southern MN.
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I've been finding Pleistocene fossils along the gravel bars in the southernmost section of the Brazos River lately, but they've almost always been unidentifiable chunks or fragments of bone. Obviously I'd like to find something well-preserved enough for me to be able to do the research and find out what it actually is, but I don't know where to look. The Beaumont and Lissie Formations that run underneath Houston and the surrounding areas are both Pleistocene-age, but the actual river basin itself is just made up of alluvial deposits. Of course, this must mean that the fossils are being washed down with the current from some location further north, right? The Waco Mammoth site is several hours from my location, but I know that the fossils there were found only a mile or two north of the river itself. Originally I thought that this is where the fossils I'm finding must be coming from too, but I know that Holmesina, Bison, and Camelops skeletons used to be found in the bayous within downtown Houston before the city grew to the size its at today. As far as I know, there aren't any exposures of sediments like this that are also the age I'm looking for anywhere close to where I live. I'd really appreciate it if anyone with experience hunting southern or central Texas could point me in the right direction. I'm not asking for any specific sites since I know people won't want to give those up, just general areas where Pleistocene outcrops or exposures would be present. Thanks for the help!
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Unique two-color fossil throughout. Found in Venice, FL. The fossil is 6cm x 6cm x 2.5cm. Other fossil material in the area ranges from Meg teeth, whale vertebrae, Equus. My thoughts were of an osteoderm. Their is a raised portion at the break on the dorsal side. ID appreciated.
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Collected this about a week ago on a gravel bar in a local river near Houston that is mostly late Pleistocene material. I've labeled it Hespertestudo crassiscutata based on the size. Can someone confirm this is the left epiplastron? Thanks, Darrow
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Found on the Brazos River southwest of Houston, Texas. I originally thought that this was an alligator osteoderm, but it lacks the distinctive boss in the middle of the bone. Looking around on the forum, it seems to match tortoise osteoderms rather well. Can someone confirm? I've found carapace fragments from both hard and softshell turtles before, but never one of these. I didn't even realize tortoises had osteoderms until now. What part of the body do they come from? As you can tell from the pictures, the bone is a decent size, so would this have to be a giant land tortoise or something else. Honestly, I'm pretty out of my depth with this one. Also, if someone could recommend any sort of books I can use to help identify the Pleistocene fossils I find in Texas, that would be appreciated as well - it's starting to seem like the Florida guidebooks on the subject are going to be the closest I can get!
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I know bone fragment ID's are usually left at just that "bone fragments," but I've seen some pretty amazing ID's here lately and this is my favorite little puzzle. It was found on Edisto beach which harbors Pleistocene mammals mixed with Miocene and Holocene aquatic creatures. More info on the location (including a list of mammals) can be found here: https://markgelbart.wordpress.com/2010/05/25/the-edisto-beach-fossil-site/ It's completely hollow and has what appears to be healed over bite marks. Even if it can't be ID'd, if anyone can confirm or deny if the markings are really bite marks I'd be over the moon. Furthermore, the bottom is concave. I have a photo of the bottom too if you need it, but I ran out of room for this post
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I have an unknown, dense, arced fossil that is solid. Image 1 shows the smooth, angled surface. I cannot find a reference for this item. Found in spoil pile today in inland Venice. Surrounding material from Pleistocene. Thank you in advance. This should be challenging... Regards, Michael
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Found on the Brazos River just southwest of Houston. When I first picked this up, judging by the extreme river damage it had suffered being tossed around in the water for so many years, I simply assumed it was just another unidentifiable piece of Pleistocene bone to get thrown in the box with the others back at home. But since I've been going through the galleries of some of the members here to help identify the other bones I collected, this one seems to bear a resemblance to a mammoth metacarpal. Maybe the smallest one, although the damage on several spots is significant - the outer bony surface on one side has been completely removed. Am I just crazy, or is this thing the real deal? Any help on an ID is appreciated!
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Found on the Brazos River just southwest of Houston. The title says it all, as that's about all I know about this one! Any help on narrowing it down beyond that to something like a basic genus or even a species would be welcome.
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Found on the Brazos River just southwest of Houston. When I first saw it I almost left it behind as it looked modern at a glance. The jawbone is definitely mineralized, however, but unfortunately its missing the teeth it used to contain as it's only one side of the whole bone. My best guess is that its a fragment of an alligator jaw based on the round tooth cavities and the way they're spaced apart, but if anyone more knowledgable then me could give a suggestion, that would be great.
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Found on the Brazos River just southwest of Houston. Unfortunately all that's left of this tooth are the roots. Judging by their coloration and the general size they seem to match up fairly well with pictures of peccary molars I've been able to find online. Obviously if there was an occlusal surface this would be a lot easier, but if anybody has any suggestions I would greatly appreciate them. Thanks!
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Found on the Brazos River just southwest of Houston. I'm fairly confident that this is a nuchal bone, but I my real interest lies in identifying what species of turtle it is from. I seem to remember reading a post on here mentioning that nucal bones are diagnostic to taxon, so that should make it easy. Unfortunately, I can't find anything anywhere about different Texas Pleistocene turtle species. Hopefully someone here is more knowledgable than me! I would appreciate any suggestions.
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Hello, I have positively identified three other teeth today by looking through the FF gallery and UF Florida Museum collections. This tooth is different from the Equus examples. I could not match it up with camel either. Some of you have incredible collections. Fossil collected from retention pond spoils in North Port, FL. Hole depth 5-10 feet below sea level. Area near Little Salt Spring. Thank you in advance for your knowledge. Regards, Michael
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Found on the Brazos River just west of Richmond, Texas. My best guess is Equus sp. judging by how flat it is, but any confirmations or other suggestions are welcome. Unfortunately the occlusal surface is extremely worn down, so identification may be difficult. If anyone knows exactly what tooth it is (such as location in the mouth) that would be very helpful too. Thanks for looking!
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Hello, I live in between Venice and North Port, FL, close to the Myakka. I have been finding tortoise fossils/clasts in my neighborhood. Most are in moist clay within a foot from surface. This location is SW of the Peace River Formation. I find deer antler, Meg teeth, and manatee ribs fully fossilized here also. This is Pleistocene area. I have not found fully fossilized tortoise. Mine are not totally solidified. I find many scutes/ spurs along with the clasts that are hardened. Looking for advice. Photos of one sample attached. Regards, Michael
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Hello, I live in between Venice and North Port, FL, close to the Myakka. I have been finding tortoise fossils/clasts in my neighborhood. Most are in moist clay within a foot from surface. This location is SW of the Peace River Formation. I find deer antler, Meg teeth, and manatee ribs fully fossilized here also. This is Pleistocene area. I have not found fully fossilized tortoise. Mine are not totally solidified. I find many scutes/ spurs along with the clasts that are hardened. Looking for advice. Photos of one sample attached. Regards, Michael
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Found on surface spoils after pond excavated. Venice, FL , 15 miles southwest of Peace River Formation. Depth was no greater than 15 feet. Possibly Arcadia formation. Pleistocene epoch. Fossil is very dense and smooth. I have found many fossils in this area but none this color or density. Note: striations on last 2 images. Looking forward to learning and sharing some other finds.
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Found this big chunk of bone on one of the gravel bars in the Brazos last week while the water was still low enough to walk around. I have a strong suspicion that it's part of the proximal end of a bison metacarpal, as that's the only thing that it seems to resemble in pictures I've compared it to online, but if someone more knowledgable in these things than myself could confirm (or completely disprove me, that's welcome too!) that would be great.
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One of the only fossils I managed to find at the Texas City dike this weekend, which is well-known as a site for Pleistocene fossils from the Beaumont Clay formation that are pulled to the surface during dredging operations in the nearby shipping channel. I know this tooth isn't Equus, so maybe bison? Any help would be appreciated!
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I was searching the gravel bars in the Brazos River just southeast of Houston almost every day last week before the storm hit this weekend. Now the water's too high to look, but I found a pretty good assortment of fossilized Pleistocene aged bones during my trips. Most of what I've found have been fragments that are totally unidentifiable, but a handful still have some significant features that could lead to an ID. These two are both rib bones, but that's about all I know. The first one I initially thought was from a modern cow due to how clean it was, but after picking it up it was clear that it's definitely a fossil - it's mineralized all the way through and has a decent weight to it. The only animals of that size that could produce such a large rib that I can think of off the top of my head would be either bison or hoses. The second bone also looks like a rib, but a lot smaller than the first. It has two deep grooves on either side that seem to match up with pictures I've seen of the origin point in deer and horse ribs where the bone begins to branch away from the vertebral column. As always, any help would be appreciated!
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I found this tooth fragment in the ocean while vacationing at Englewood, Florida. I need help determining if this is in fact a tooth fragment and what animal it may have came from. My money is on Equus. Thank you
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Hello again TFF! I just picked up this tooth that I am pretty sure is an Equus sp. found in phosphate deposits near Tampa Bay, FL. What drew me to it was two isolated cones that I haven't seen in the modern Equus teeth I've handled. Is this a positional morphology or one particular to a specific species? Thanks for your thoughts!
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Florida Leisey Shell Pit, Hillsborough County, Florida, Publications
Oxytropidoceras posted a topic in Fossil News
Below are some online PDF files of the now defunct, but still famous, the Leisey Shell Pit in southwest florida. Leisey Shell Pit 1A, University of Florida Vertebrate Fossil Locality HI007 https://www.floridamuseum.ufl.edu/florida-vertebrate-fossils/sites/leisey-shell-pit-1a/ https://www.floridamuseum.ufl.edu/100years/leisey-shell-pit-fossils/ Hulbert, Jr., R.C., Morgan, G.S. and Webb S.D., eds., 1995. Paleontology and Geology of the Leisey Shell Pits, Early Pleistocene of Florida. Bulletin Florida Museum of Natural History, 37 (Part I). https://www.floridamuseum.ufl.edu/bulletin/publications/ https://ufdc.ufl.edu/UF00095791/00001 https://ufdc.ufl.edu/UF00095791/00002/allvolumes Hulbert, Jr., R.C., Morgan, G.S. and Webb S.D., eds., 1995. Paleontology and Geology of the Leisey Shell Pits, Early Pleistocene of Florida. Bulletin Florida Museum of Natural History, 37 (Part II). https://www.floridamuseum.ufl.edu/bulletin/publications/ https://ufdc.ufl.edu/UF00095791/00002 https://ufdc.ufl.edu/UF00095791/00002/allvolumes Hulbert, R.C. and Morgan, G., 1989. Stratigraphy, paleoecology, and vertebrate fauna of the Leisey Shell Pit Local Fauna, early Pleistocene (Irvingtonian) of southwestern Florida. Florida Museum of Natural History, University of Florida. https://www.researchgate.net/publication/313657536_Stratigraphy_paleoecology_and_vertebrate_fauna_of_the_Leisey_Shell_Pit_Local_Fauna_early_Pleistocene_Irvingtonian_of_southwestern_Florida http://floridapaleosociety.com/wp-content/uploads/2012/02/Papers-in-Florida-Paleontology-2-July-1989.pdf Portell, R.W. and Kittle, B., 2010. Mollusca: Bermont Formation (middle Pleistocene). Florida Fossil Invertebrates, 13, pp.1-40. http://floridapaleosociety.com/wp-content/uploads/2012/02/FFI-13.pdf Kittle, B., and Portell, R.W., 2010. Mollusca: Fort Thompson Formation (middle Pleistocene). Florida Fossil Invertebrates, 13, pp.1-40. http://floridapaleosociety.com/wp-content/uploads/2011/01/FFI-12.pdf Morgan, G.S. and Hulbert Jr, R.C., 1995. Overview of the geology and vertebrate biochronology of the Leisey Shell Pit local fauna, Hillsborough County, Florida. Bulletin of the Florida Museum of Natural History, 37(1), pp.1-92. https://www.floridamuseum.ufl.edu/files/7114/7180/9327/Vol-37-Part_1-No-1.pdf https://www.researchgate.net/publication/257620521_Overview_of_the_geology_and_vertebrate_biochronology_of_the_Leisey_Shell_Pit_Local_Fauna_Hillsborough_County_Florida https://www.researchgate.net/profile/Richard_Hulbert Taphonomy of the terrestrial mammals of Leisey Shell Pit 1A, Hillsborough County, Florida https://www.researchgate.net/publication/306429620_Taphonomy_of_the_terrestrial_mammals_of_Leisey_Shell_Pit_1A_Hillsborough_County_Florida https://www.researchgate.net/profile/Richard_Hulbert As lagniappe, there is also an online PDF of a guidebook to Cretaceous-Cenozoic Floras and Landscapes of Southeastern Australia. It is: First International Palaeontological Congress: Pre-Congress Fieldtrip 1: Cretaceous-Cenozoic Floras and Landscapes of Southeastern Australia https://www.researchgate.net/publication/233747871_Cretaceous-Cenozoic_Floras_and_Landscapes_of_Southeastern_Australia https://www.researchgate.net/profile/Stephen_Mcloughlin/2 https://www.researchgate.net/profile/Stephen_Mcloughlin/ Yours, Paul H.-
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Playa sinkhole opens up a large cave beneath highway Explorers find 2 1/2-million-year-old sea snail fossils https://mexiconewsdaily.com/news/playa-sinkhole-opens-up-a-large-cave-beneath-highway/ https://www.voanews.com/americas/mexican-highway-sinkhole-reveals-fossil-filled-cave Yours, Paul H.
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I've been searching the gravel bars in the Brazos almost every day this week while the water is still low enough to get down there, and I've collected a pretty good assortment of fossilized bones. Most of what I've found have been fragments that are totally unidentifiable, but a handful still have some significant features that could lead to an ID. There's too many pictures to post all at once, so I'll reply a couple times with more. Thanks for the help! This first find is definitely a tooth and is the only piece I have that isn't from the Brazos, instead I picked it up on a trip to one of the small beaches north of the Texas City dike. I'm thinking bison, but I'm open to suggestions.
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