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Found 14 results

  1. Shaun-DFW Fossils

    Coalified wood prep (experimental)

    I found 2 nice pieces of coalified wood sticking out of a clay creek bank near the border of the woodbine and eagleford in southern Tarrant County TX a few weeks apart. The first one cracked into a million pieces after it dried out, though I was at least entertained when I placed it in water and it started popping like a bowl of Rice Krispies, or like the sound of a forest fire. So I sent my larger piece I acquired later to the woody beauty shop for a makeover, giving it a couple of coatings of a glossy polyurethane spray. It’s far from perfect, but at least it looks pretty close to how it looked when I found it and maybe it’ll stay together for a few years. Whatever the mud colored object is, it gradually worked its way out of an exposed cavity on one edge of the wood. Also note what I think are marks left by ship worms (?) on the outside. I find it all very interesting, maybe due to my imagination.
  2. Shaun-DFW Fossils

    Tarrant formation clam and ammonites

    I found my first Tarrant formation clam, protocardia Texana, looking forward to cleaning it up more. Interesting shape. I also find conlinoceras tarrantense ammonites every time at this spot, and I even found a new species for me, paraconlinoceras barcusi. Thanks to my friend Mercer for identifying the difference as he prepped a couple of them! This spot is barely into Dallas County. The ammonites have been eroding out of the Tarrant formation under a bunch of roots, I need to bring some clippers and a small shovel next time, just to generously tidy up the landscape a little, of course. The tiny one was in a small golf ball sized concretion I cracked open.
  3. I have had great luck finding fossils in creeks and wild places, but this afternoon was my first construction site success (other than Grayson nautiloids and a few shoe clams), and the first success I’ve had in northern Johnson county at a Mansfield construction site. I barely lifted this into my trunk and the car immediately lowered by a few inches. lol! I like creeks because erosion isn’t only visible for a few days until a big slab covers the entire ground, but it sure is easier to find ammonites by the curb..when they’re right there! If only I could have a cell phone alert for active tractors in the Tarrant Formation..
  4. Hi everyone, my name is Gavin and I’d like to say hi. I am a Geology major that likes to dabble in the paleo world. My beginnings in fossil hunting were as a little kit with my parents but by the time I was in middle school I didn’t do it very often but after I got into a geology class in college I regained my passion for hunting and I’ve been going strong since last fall. I look forward to see what every one has to post! Posted below are some of my best sharks teeth finds so far.
  5. I had my best hunt of the year Saturday, it was incredible. I guess you could say I was…petrified. Sadly, my phone died after getting stuck in a reboot loop (thanks iPhone 10) so it’s now extinct. Oh and I finally found a dinosaur! It’s on top of an ammonite. 🤣 25 complete ammonites a few partials! I also found a 21-inch long chunk of pet wood and a colorful smaller chunk. I then found 11 ammonites today to start the new year right. My back is still sore and feet tingling after treading through creeks where shallower areas were actually frozen..lol! Tarrant and Dallas County locations. 2 were in partially exposed concretions. One of those is placenticeras or engonoceras? sorry about the blurry pic, I’m using another old phone I have that has a camera that only works when it’s on 2x, so I’m having to adjust to taking pics with it.
  6. I located a potential spot (a creek tributary) that I never gave a chance literally a few feet away from a spot I’ve hunted before. I stopped by after a work meeting today and I was NOT disappointed (I know, I have fossil fever, no known cure). 9 conlinoceras tarrantense ammonites! One is about 6.6” across and in great shape. I assumed most in this area washed downstream from another location, but I found exposed formation with 1-2 smaller ammonites a few feet up the bank and 2 that were firmly fixed in matrix on the creek bottom, so I have an original source spot to add to my secret shopping list. I now have 13 of these in a week.. Dallas county TX (all of my prior finds were Tarrant county)
  7. Shaun-DFW Fossils

    Eagleford/woodbine fossil IDs?

    I don’t usually find these and I can’t say I know what genus/species they are, but I have come to appreciate the fine detail on a lot of fossils in the eagleford and woodbine compared to what I find in the limestone rich Fort Worth/Grayson/duck creek formations. Any help is appreciated! Mostly Tarrant but a little Dallas County TX too.
  8. Shaun-DFW Fossils

    Conlinoceras tarrantense+pet wood

    I have 3-4 spots (duck creek, Grayson, Fort Worth formations) I haven’t yet revisited since it rained that are really close to my house. I’ve been to the same conlinoceras spot 3x and this was my last visit until we get heavy rain/erosion again. It didn’t disappoint! Funny how I can walk by the same spot 3x and find things I missed. Haha! I’ve seen ammonites missing chambers before, but this little one seems to have indentations that might have been there originally, like from bite marks or something. What do you think? Just my child-like imagination? the nice looking white calcite specimen missing part of itself is from another larger creek that my primary spot feeds into more upstream. Tarrant County TX.
  9. Shaun-DFW Fossils

    Woodbine/eagle ford border ID needed

    I found this in a creek in Tarrant county along the woodbine/eagleford border. Lots of sandstone present in the area, and some concretions. Thanks in advance for the ID assistance!
  10. Shaun-DFW Fossils

    Unreal woodbine expedition today

    My best woodbine hunt ever (since I started this year, lol), 11 woodbines and one of them is over 7 inches across! The overall condition is better than my 2 prior excursions as well. I’m super thrilled about these. I also found some great pet wood pieces with the appearance of having been underwater for awhile “back in the day.” Any insight into the smaller “critters” is appreciated. I am not positive if one piece is sandstone or pet wood, but I do have 3-4 pet wood pieces (some not shown). The small ammonite in front is a different species than the conlinoceras tarrantense. Woodbine/eagleford border, Tarrant county Texas. My toes went numb walking the creek. I know another hunter who found 7 woodbines at this spot 2 weeks ago (after our biggest rain since Spring) but I guess my eyes were more desperate to spot what he missed
  11. Shaun-DFW Fossils

    Mighty fine woodbine..

    I feel like I finally hit pay dirt today, my best woodbine ammonite day in my short time looking. I think the smallest one (2.5”) might be a different species? It has 4 little bumps across the top, I notice the rest have fewer. I was pumped to find these! I started out a bit too far in the woodbine, but I grabbed some small pet wood pieces, at least. Far eastern Tarrant county TX
  12. Jared C

    Eagle Ford mosasaur

    Last weekend was one I'll never forget... I've barely processed it, but now that I can be more coherent, here is the story of the mosasaur we found --------------------------------------------------------------------------- On September 11 & 12, I researched and found new fossil hunting area (to me), that exposed the Eagle Ford formation. I decided to scout it, and that scouting trip ended up being wildly successful. On the first weekend of my scout, I walked away with several ptychodus teeth, a great squalicorax, and two small mosasaur teeth, all still in matrix. Many of the ptychodus teeth here represent a species that will be described next year by Shawn Hamm, and are similar to Ptychodus anonymous. (Below - one of the teeth from the scout - this tooth is one from the Ptychodus species that will be described next year) Fast forward a week. It's Friday, September 17. I returned to my new honey hole a second time, intent to explore a little more. The spot I was working on the week before produced more ptychodus, fish bones, and fish teeth. It was fantastic, and I decided to keep a keener eye out for a different spot to work on next (still in the same area). Walking back, I spotted a great exposure of dense shell hash, at the bottom of the creek. The barren, blueish layer of shale that usually covers this hash had lifted up in one big slab, probably with a flood, and revealed the nice patch I was looking at now. Feeling pretty lucky, I sat down and got to work. "This is the spot to spend the rest of my time here on", I decided. I got to work lifting slabs, expanding the exposed patch, and had some nice results. More Ptychodus teeth, and the odd Scapanorynchus tooth revealed themselves. One slab had a little ptychodus on it that I popped loose with my finger. Immediately below it sat another tooth, in the same orientation that it would be as part of a mouth plate. That was crazy! Perhaps I have a partial mouth plate on my hands (spoiler alert - I still need to prep it to find out) By now, it was late afternoon, and the day flew by. I suddenly had the realization that I was about to be late for work, and had to speed back. I made a mental note to come back to this excavation I had started the next day. Saturday, September 18 Recently I had gotten my older step brother interested in fossil hunting. Today marked the first day he was keen enough to go on his own, rather than with me....however, I should preface this by saying he was only alone because he wanted to hunt quite early, at 8 AM.....my gears were barely even turning yet, so I told him I'll meet up with him a little later. Over the phone, I told him where to go, what type of rock to investigate, and where the spot I was excavating was located. After finding the excavation I had started the day before, he sat down to continue my work until I got there. As he told it to me later, he picked around in the rubble I had left the day before, to see if I missed anything, and then got bored and decided to lift the next loose looking slab...and BAM, he was met with bones. Once I picked up the phone, I was off like a shot. Upon arrival, I immediately realized that we were out of our depth, as it seemed like the bone continued further on under the slabs. Before we even touched them, I hastily contacted @JohnJ, since I had no idea what to do next. He couldn't be there due to a commitment, but the advice he gave to us about continuing the excavation gave us enough confidence at least start. Throughout this dig, John was the crutch that made the whole endeavor manageable - without him we would've been completely lost. (Here's what we saw, before any excavation) One Walmart run later, and we got to work. The rock quality wasn't great, and crumbled easily. We worked carefully, but soon had to learn to deal with the fact that some bones would break in the condition they were in. Nothing glue couldn't fix later. (what we saw after the bones had a chance to dry a little, and after some excavation) At this point, we had found three associated mosasaur teeth. With the first tooth, I was hesitant to say it was associated, because there were tons of little teeth of all sorts around. A second, much smaller tooth made me reconsider. (Below, the third associated tooth) It's worth noting that we found quite a few Squalicorax teeth (maybe 7 or 8), and a few Scapanorynchus teeth as well - suggesting a scavenging event. What was really bizarre though was the sheer number of little Ptychodus teeth (probably around 6 or 7), many of which were the undescribed species I mentioned earlier. While likely a coincidence, I think it's still fun to imagine this Ptychodus crushing through bone as it scavenged a skeleton - a completely different look on what Ptychodus are supposed to do as shell crushers. (Some of the shark teeth revealed though the dig) (Smacking a hammer around doesn't always go as planned) At the end of day one, we had lifted one slab out. It was when we tried to reduce some excess rock at the side of said slab that we found the craziest part yet....a jaw piece! The shaky photos I took of this jaw in the field aren't a great angle, so here's that same jaw piece at home: Only a little bit of bone remained poking out of the bank after day 1. So, we thought day 2 would go by quickly... but once we started excavating those little pieces, more revealed itself.... This slab was particularly unstable, and after four hours of careful digging, we decided to rip the band aid off and try to pry it out.Fortunately, instead of coming apart in 20 pieces, it came apart in just 2 (below: One of the two slab pieces) We were done- 9 hours of excavation for what felt like (after the fact) a small amount of bone. However, since so much bone is still deep in the matrix, we're crossing our fingers that we have more than just isolated jaw elements and vertebrae. Since both of us are new to prep, we decided to leave this intimidating (to us) job to the talents of Kris - @Ptychodus04, who graciously made room for us among his existing prep work. I'm excited to see what his hand reveals, and I'm crossing my fingers that our find has some diagnostic elements. I'll likely continue to post updates on this thread as they come, but this is basically it! I'd like to write a little more, but unfortunately I have chemistry homework that simply cannot be neglected any longer... It's been understandably hard to think about those trivial things after a weekend like this
  13. Hey y'all, here are two finds from two different trips that I'm having trouble IDing 1.) This Ptychodus from the sprinkle formation ( a tongue of the Ozan here in central Texas). I'm not sure, but I think the sprinkle formation around here is Santonian in age (~86-83 myo). (Please chip in if you actually know - google is so vague here) I have a suspicion, but I don't want to count my eggs before they hatch for this one. Any ideas? 2.) What I suspect might be a Cretoxyrhina mantelli (not sure if I see evidence of broken cusps or not, so I included many photos to help show that), from what I believe might be a permanent Eagle Ford exposure here in Williamson County, central texas (exciting stuff!). The blade seems a bit thin. Any ideas?
  14. Captcrunch227

    Legendary Week

    Two hunts, two creeks, two legendary finds in one week. I don’t know what you know about Texas weather, but in July it’s hot. Downright miserable, unsafe heat at times. Just a week and a half ago we hit a heat index of 111 degrees. So when you have a day that tops out in the mid 90s for a high, you take advantage of that cool front. I checked the weather and saw that Tuesday had a high of only 94. I messaged my buddy @sharko69 and said, “Hey, its gonna be a nice day. Let’s do some hunting this afternoon after work.” So we meet up at our usual hunting spot and he shows me a new drop in that I had yet to explore. So we drop in and right away I spot a Ptychodus whipplei tooth coming out of the wall. Woohoo! I’m on the board! Not a bad start. So we head upstream walking through knee high water, boots sinking in the silt, and the occasional game of limbo as we climbed under fallen trees. All the while taking great caution. On his scouting trip to this spot my friend saw a slide mark on the muddy bank. Was it crocodile or beaver? A crocodile in a creek in north Texas would be highly unusual, so we hedged our bets on the laws of probability. After all, fortune favors the brave right? Still I did desire to return home to my family that night, so we were on high alert. Then we arrived at our destination; the place looked almost heavenly. An enormous gravel bar stood before us, we knew it had to contain something wonderful, but would we find it? Fast forward to an hour later, the only thing I’ve found since my Ptychodus are mosquitoes. Oh and the breeze stopped, so now it’s hot-ish, humid, and still. But I’m focused and press on despite feeling like I’m in an oven. After a while I found another shark tooth. Squalicorax, one of my favorites. Nice. My friend and I are chatting and he walks over to show me his find, a nice Cretalamna tooth. As he leaves I scoot over to continue my search and right behind his steps lay a sight unlike any other. A black, deeply striated, and large tooth. I jump up speechless and throw my hands on my head. I turned away and had to do a double take. Surely I can’t have seen what I just saw. Yup, I did. A beautiful Pliosaur tooth was waiting right there atop the gravel pile. My friend sees my silent commotion and bolts over. He starts yelling, jumping up and down, and freaking out, just like I am on the inside. I gently pull it out and it’s in wonderful shape and it even has some of the root still attached. To put this in perspective finding a Pliosaur fossil here is insanely rare. While I don’t know the exact number I can virtually guarantee that the number of Pliosaur teeth found here in north Texas in the last decade is in the single digits. My friend found one just two weeks prior in the same creek and back then I thought I had seen the only Pliosaur tooth I would ever see. Boy was I glad to be so wrong. The rest of the hunt after that is somewhat of a blur. I found a few more shark teeth, a tennis ball sized piece of coprolite, oh and a smile that I’ll have to have surgically removed from my face. Fast forward a few days to Friday night. My friends sends me a picture of a monster 2-1/4" shark tooth he found from a new creek earlier that day. Wanna join me early tomorrow morning to hit up the spot some more? Pssh, does a fat puppy hate fast cars? Of course I do! So the alarm goes off at 6 am and I successfully beat the sun out of bed for today's hunt. After a cup of joe I hop into the car and begin the trek. We meet up in an empty parking lot, it looks like we're spies out for a super secret rendezvous or up to some type of nefarious behavior. But the only nefarious behavior that was happening that day was.... well actually none at all. Just a nice fossil hunt, social distancing style. We drop into the site and get to work. Unlike last time where I found something immediately we were held to a big fat goose egg for quite a while. A solid hour or more. "Boy I'm not finding anything." "Yeah me neither." 30 seconds later i hear behind me, "Oh heck yeah!" I turn around to see my buddy holding a nice segment of Mosasaur jaw. Missing the tooth sadly, but a heck of a find nonetheless. Well, it's good to know that they're out here, but I just can't believe they're all scurrying away once I get close to them. So I continue to search. Fun fact about my buddy @sharko69. He is a master Ptychodus hunter. He's so gifted in fact, that I have accused him of selling his soul to the devil. And that in return he was given the power that whenever he walks by a Ptychodus tooth, it just hops up into his pocket. The verdict is still out on that accusation. So he tells me, "I have yet to find a Ptychodus yet here." So they must not be here, it's the only logical explanation given his power. So imagine my surprise when I looked down and saw a gorgeous Ptychodus latissimus tooth. I'm not getting shutout today! Whoop whoop! We press on and for another 30 minutes, nothing more is found except for a ton of broken and busted up septarian nodules. These dirty rotten tricksters are littered all over the creek. They constantly tempt us into thinking they're something cool, only to be let down yet again. I look down towards the water and see what looks like another septarian nodule. "Not fooling me this time" I say to myself. I look away, but as I do I instantly stop and look back. Something seemed odd about that one. I approach it and I freeze. I say out loud to my buddy who's standing next to me but facing the other way, "There's no way this is what I think it is." He turns around and shouts out, "YES IT IS!" I reach down and pull it out. What I hold in my shaking hands is a stack of associated Xiphactinus vertebrae. 2 complete vertebrae, half of a third, and a tiny piece of a fourth. They're resting nicely in a perfectly flat piece of matrix, almost as if mother nature herself carved it out for a perfect display base. The rest of the trip continued uneventfully for me for another couple hours. Yielding to me "only" an additional Squalicorax tooth. On the way back my friend pulls out yet another 2-1/4" tooth. His fifth tooth near or above the 2 inch mark in a week. (I meanwhile have yet to join the 2" club, but it's something I'm working on). At least with this find I can confirm that he is not bringing them from home and planting them and is indeed finding them. So that capped off a week in which I found two legendary once in a lifetime finds. It was a fun week filled with mild-ish weather, fun times spent with the Prince of Ptychodus, and brilliant one of a kind fossils. But I think the greatest treasure of all, was that of the deeply forged bond of friendship through the medium of fossicking. TLDR; Found two cool fossils.
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