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Showing results for tags 'texas'.
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From the album: Sharks
Cretodus crassidens Eagle Ford Group, Sherman, TX A smaller tooth from one of the largest predatory sharks in the Late Cretaceous (~ 90 Ma). It likely filled a similar niche in its environment that the Great White Shark does today. Its teeth are characterized by pointed side cusps, rounded root lobes, no nutrient groove, a shelf-like lingual root protuberance on anterior teeth, and striations (ridges) at the foot of the crown (on both the main cusp and side cusps). This tooth is as nice as they get in terms of preservation and completeness from this locale - this one is only missing the tip.-
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From the album: Sharks
Cretoxyrhina mantelli Ginsu shark Eagle Ford Group, Dallas, TX Found at the DFW airport in the 80's, this anterior tooth shows some nice coloration.-
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From the album: Sharks
Cretoxyrhina mantelli Ginsu shark Niobrara Fm., Gove Co., KS (leftmost 2 teeth) Eagle Ford Group, Sherman, TX (largest tooth) Eagle Ford Group, Dallas, TX (rightmost 2 teeth) A collection of teeth from a formidable Late Cretaceous lamniform shark. This species competed with other sharks and marine reptiles in the Western Interior Seaway ~ 90 Ma. It likely filled a similar niche that the Great White Shark does today. The ginsu was on average larger than the Great White. Oh, it also ate dinosaurs.-
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Because of a recent post by @GPayton I went through a pile of unidentified bones and found three vertebrae that I think might be alligator or crocodile. These are from the Brazos River in Texas. Please confirm that these are crocodilian if possible…. @Harry Pristis @fossilus @Shellseeker here’s #1
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Found this almost complete vertebra on the Brazos River near Houston several months ago, missing only one of the larger processes and one of the smaller ones. I initially assumed it was just another horse or bison vertebra which are pretty common around here, but after looking at it again I realized that, although worn, one side is convex and the other is concave like in reptile vertebrae. After looking at some pictures online it bears some resemblance to alligator vertebrae. If that's what it is I would be overjoyed since the only other alligator material Ive found before is a single osteoderm about a year ago. As always, if someone could confirm my tentative ID I'd be very grateful. And an in-situ just for fun:
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Hi everyone! My name's Cameron and I'm an amateur fossil and mineral collector from Central Texas. My primary interest is in local cretaceous fossils (who doesn't love echinoids and ammonites?), but lately I've had a small obsession with finding and reassembling Nerinea steinkerns. I'm currently on a short trip to Dallas just exploring the city, but I'm thinking of heading up to Lake Texoma June 17 to poke around for about a half day. I don't really know where to look or what the water level is like since this wasn't part of the itinerary, but I remember seeing pictures online years ago of Macraster echinoids and Duck Creek ammonites that I've always wanted to look for. I'll also share a few of my favorite finds of the past few months when I get back home. I just found my largest Nerinea fossil yet and am eager to see if there are any other Nerinea enthusiasts on here. Anyways, happy collecting and thanks for taking the time to read my member intro! :)
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Hi everyone, tonight I wanted to share some pictures I took of the tiny chondrichthyan teeth I found in the Aguja matrix I got last year. I was hoping someone may be able to shed some light on their identity as there appears to be a few different types represented. 4 mm 3 mm 3 mm 5 mm
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I've had this tooth for about a year now after I found it on the Brazos River near Houston last summer. It's definitely fossilized and has the exact same texture and weight to it that all of the other fossils I've found in roughly the same area do. As far as I can tell the whole tooth is still there, but unfortunately the occlusal surface that makes identification the easiest is almost completely worn down, I'm assuming by the animal's age at the time it died. I've tried matching the shape of the top of the tooth with others I've found pictures of, but the issue is the pea-shaped "pinched in the middle" look is very common amongst many mammal species - tapir, deer, sloth, etc. The other thing throwing me off is the single root it appears to possess. If someone could help me with identification or point me in the right direction I'd be very grateful!
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Greetings! I'm new on here and an amateur fossil hunter. It's not something I get to do often but I love getting out on the river and searching the banks when I can. I have a few finds...I'd love to get input on as to what they might be and perhaps how old they might be. I will post a few pics and then individual pictures of each specimen later. Would love to see what others have found in my area southwest of Houston. Thanks for any information.
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From the album: Texas Echinoids, ERose
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From the album: Texas Echinoids, ERose
Coenholectypus sp. cf. ovatus (Whitney & Kellum)© ERose 2021
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Texas has had SO MUCH RAIN in the last month! Mushrooms are growing where there are normally NOT mushrooms growing- but that means it has been a bonanza for fossil hunting, needless to say! If you don't mind the mud..... We have had some epic storms, too. 2+ inch hail, crazy lightning, a few tornado scares and amazing clouds. Hail from my house...my poor car. (That's a quarter for scale - 25mm) But EVERYTHING is green and the wildflowers are gorgeous this year! Havn't found anything NEW, but did a couple of nicer examples, which always makes me happy. I have found lots of Coenholectypus planatus but something is always just a little bit wrong with them - a chip in the test or a little crushed plate or too much matrix to clean easily. So I was rather excited to find this little critter. Its color is lovely and it's in great shape albeit a little water worn. Glen Rose Formation: And I was VERY happy to find a better representation of a Goniophorus scotti from the Waco Research Pit (Del Rio Formation). My first and only other one was nice and big, but was rather squished. This one is TINY and in great shape: 5 mm Hit up a new spot (Glen Rose Formation also) and found a fantastic array of Leptosalenia texanas. It was a rainy day and it was fun finding them like easter eggs amongst the rocks. Plus a nice big Heteraster texanus. Also .75 in A few more little ones from the Glen Rose Formation. Not as good as previous finds, but still nice nonetheless. The Balanocidarid spines are always a treat to find, being rather rare: And a Polydiadema travisenses: (.75 in) Found another new spot in the Walnut Formation (also SUPER muddy) that after an hour of finding huge chunks of Oxytropidoceras ammonites (I made my own.....an ammonite kit, as @erose would say) I was finally awarded a nice Tetragramma texanum: My "Ammonite" At least THREE of the pieces really do go together..... 12 inches And I found enough other pieces to "make" a second one for my mom. hahahaha!
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I have a Fossil my Aunt gave me in 1996 and I don’t have a clue as to what it is. I really need some help with this. It is a very unique find near Lake Belton, Texas. Thanks for your reply! Craig
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Hi everyone! I could really use some help identifying this one. I found it at Post Oak Creek. I included a bunch of pictures that I labeled so you all can know what I'm talking about. The microscope shots have a red scale bar that is 1 mm. Here's what I know it's Cretaceous 94-90 million years old from the Eagle Ford Group. the bone surface is mostly weathered but still in it's original shape. except for some major weathering on the back of the left side. It came from a large vertebrate. The bottom is flat, the back is concave, it slopes forward to a blunt point in the front, It appears to be mostly symmetrical with the line of symmetry going front to back. It looks like a distal phalange (finger tip bone) to me, but neither Mosasaurs or Plesiosaurs have a bone that looks like that to my knowledge. It honestly looks like the distal phalange of a terrestrial vertebrate to me, but, well, yeah I need another perspective before I go that route. Hey I can dream right?
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- cretaceous
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Hi everyone! Ya'll where a huge help with the shark teeth I posted, so I figured I'd ask for some help with some of the more unusual stuff I've found at Post Oak Creek. For anyone who doesn't know Post Oak Creek is a small gravel filled stream in north Texas that lots of Cretaceous shark teeth get washed into from the Eagle Ford Group (shout out to ThePhysicist for clarifying the formation!). However a lot of Pleistocene material gets washed in there as well so you get this lovely set of gravel bars where you're finding stuff like crow shark and goblin shark teeth in the same sift as a bison tooth or a horse bone. Anyway here are a few small Pleistocene fossils I could really use some help identifying. The first is a phalange, I'm thinking either Racoon or Bobcat though I don't know for sure. Second I think is a bird bone since it's completely hollow though I have no idea what bird (if it is a bird I'm counting this as finding a dinosaur bone in Texas!) Third is an incisor from a mammal I think. Any insight is greatly appreciated!
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Wow is all I can say. I cannot believe what I have managed to find this week alone. I went to Texas for a vacation, and I’m coming out with some of my best fossils (in my opinion) I’ve found this year. I came here hoping to score some trace fossils of what once lived here, and score some, I did! Since there are two different time zones, and 4 different types of fossils found, I’ll split them up based on environment, and time. With marine fossils going first and tracks going second. Permian first, and Cretaceous second. I’ll do a picture of the whole haul and then we’ll get started. I also was able to capture some tracks that weren’t collectible so I collected them with my camera. Taking a fossil out of its place in a rock like that causes more damage than it does good, so all tracks were already eroded out and separated from anything scientific. Anyways, here’s the stuff: Permian Marine Fossils: Permian Footprint: while collecting today, I was hoping for a Permian footprint. Literally as I was about to leave, I found it! There was also another footprint attached to the rock but it fell off and scattered along the debris of similar colored rock. I wasn’t finding that anytime soon! But anyways, here it is. You can see a few sets of claw marks from the amphibian that once walked across it. I’m really happy I found this on a small rock and not one that I would have had to leave behind. cretaceous marine fossils: I also found a nice crab claw but it was so embedded into the rock that I just took a picture of it. Some things are better left to be appreciated by other people! cretaceous footprints: I found a bunch of footprints embedded into the rock, I of course didn’t attempt to take these out of their rightful place and I left them to be admired by others. I found one eroded out of the rock, and broken and incomplete, but it’s a footprint none the less. I’m pretty happy about all I found in general. It’s hard to see but the first two toes are there, and the only reason I’m confident this is a footprint is due to the fact that there were others around. All around a great trip and I still have more to find because I haven’t left yet!
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Hi everyone! I went to Post Oak Creek, Texas a few weeks ago and got a decent haul. Including three teeth that I think are from some rare species that I wanted to confirm my id on. I think the first two are Cretoxyrhina mantelii and the third is Protolamna. I'm particularly unsure with the second one since it seems to have a slight nutrient groove. The first one also has damage where there would have been cusps so I'm not sure if it's a different Cretoxyrhina species or a different genus entirely. I'm fairly certain the creek is Atco formation. I know it's either Turonian or Coniacian
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Hello all! A batch of new unknowns found in my micro matrix! Any help will be appreciated! Cretaceous Eagle Ford formation. 1. Interesting geometric pychnodont tooth? I know they can be rectangular, but this one is oddly shaped. Size 5mm 2. Strange "fat" tooth". It looks sharky but the width of the base is throwing me for a loop. Perhaps the cusplet of a bigger tooth? Size 5 mm 3. An odd striated tooth. Size 6 mm 4. A very pointy something. I thought it was a Scapanyorhynchus tooth at first, but it's not quite right. Seems more "fishy". Size 6mm 7. Not even sure what to make of this. It has bone texture, but also other stuff? Size 8mm 8. A weird little double pointy thing. Those two sticky up "stalks" are just strange. Size 2 mm 9. Thinking this might be turtle? Very small though. Size 12mm 10. Lastly, a little vertebra that might be snake Size 7mm
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I found this little critter in some Pennsylvanian micro matrix I brought home. I am guessing it's an odd crinoid but it is also not like any I've come across. Any info will be appreciated! Size 1/4 inch
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I have several peices of Cretaceous Lens from Eagle Ford and decided to investigate it further, dissolving in vinegar and picking at it and so far came up with these. The one in the matrix looks like tooth or claw maybe, the base of it turns to white but it's eaten away and hard to see in picture. The other things are different, there are quite a few I can see in the big peices some are so small I can't photograph them. Urchin spines are the closest things I've seen to these but really don't know. The pen tip is next to objects for size comparison.
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Making sure this is just a concretion that looks similar to Ediacaran
Lone Hunter posted a topic in Fossil ID
These concretions are tricky for me sometimes, never thought much about this one until I ran across pictures of a Tribrachidum. Resembles it enough, maybe poorly preserved, thought I'd double check with experts. Came from creek flooded by QT and QAL from Trinity river.
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Found this bone on the Brazos River near Houston several weeks ago. I can tell that it's a humerus of some sort, almost definitely mammal based on its size, but unfortunately both ends are missing making an ID difficult. Any help is appreciated!
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brazos river, texas, west of Houston, gravel deposit. found this small stone with something on it...... sorry photos are not too good my hands are a bit shaky today and I am using my cell phone.
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I was collecting some very small shell casts? usa, Brazos river gravel west of Houston Texas
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Hey Everyone, Had a decent day out at NSR. Not as good as one person who found 18 verts, 2 arrow heads, and more. Found NSR, Delta County, TX I am thinking this might be a turtle scute but i am still earning. Any thoughts appreciated.
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