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So this has been staring at me on the shelf for sometime waiting for an ID. Jokes aside...I found this on a SE Texas gravel bank...thought it was real peculiar looking...seemed to me to look like a coprolite...it has an unusual shape to it with markings all around...and if it isn't...what could it be much less the rectangular piece in the photographs? I thought maybe the small piece was bone or something. And the whole thing is solid as a rock and heavy. Sorry the pics are so close...wanted to get the details.

So I have this solid little piece...it seems like a rock but it has an unusual shape...and although it doesn't have any bone looking material within from what i can tell by the edges...it has a few small openings on the outside. The outside might seem like an antler to me but maybe its wood or a rock shaped that way? I'm lost. And I have zoomed in pics to show some of the contours. Can anyone help?

I'm not sure if this is a chunk of bone or wood...it has an almost sharp edge to it...and on one end of the specimen there are holes on the edge while the other side doesn't have them. There's also some intentions on the top outer edge of one side. I know it just a chunk of "something" but does that hard edge come from anything y'all recognize?

This was found in the west branch of the Trinity River in Arlington, TX. Could it be wolf ?

This was found in the west branch of the Trinity River in Arlington, TX. I'm thinking this one has to be a sponge. (and hoping someone agrees this time. )

Hey y’all! Can anyone help me ID this print? I’m a marine reptile researcher so I’m at the end of my understanding of prints for this. It was found in Bell County, Texas. Thanks so much!

This is on private property near Waco, Texas. Its in a limestone creek bed that goes to the Brazos River. We didn't want to move it...understandably.... I'll post another pic that shows the area shortly.. Any input is greatly appreciated!!! Pic1: is a piece that broke off and is just on the ground. Pic2: Opposiyr side of same piece.. ease excuse the dirt... Pic3: This is The bone fossil..This picture was taken from abt 5' above and looking into front (part that sticks out) Pic4: This is the same piece taken from above looking straight down on it... Its very brittle... this is within 15 miles of Mammoth Park...

Took a little trip to Lake Jacksboro spillway and concentrated on the microzone hoping to find some of the little goniatites and nautiloids. Only found a couple that were "big enough" to see , but once I went through my bag of matrix, I was happy to have found quite a few of the microfauna! A few I am not sure of the ID so any help is appreciated! All of these are 1/8 to 1/16 inch Goniatite Peritrochia sp. Nautiloid Gastrioceras listeri same as above, I think Goniatite Prouddenites bosei Goniatite Cardiella ganti Goniatite Pronorites sp. Not sure what this one is: Nor this one. A few other nice little finds I think this is a shark spine: A scaphopod Plagioglypta sp. a tiny whole Rostroconch (had only found half ones prior) and a Trilobite spine!

Thos was found on private property near a small river near Valley Mills, Texas. Thanks for your time in hoping me ID my fossil!

Hello! Took my boys out looking for fossils for the first time and we have no clue what kind of teeth some of these are. Would love some help! These are from Post Oak Creek in Texas the square is 3.175 cm tall x 3.5cm wide Thanks!!

This might be tough to identify...it's missing both ends and is practically a fossilized chunk of bone...pretty heavy. But could it be a section of a bison femur?

Looking online I think this is a humerus...worn down but it's heavy...and big. Bison maybe? Found it on a gravel bank here in SE Texas.

With the end of the semester approaching, school has picked up and I have been too busy to embark on many adventures. When my schedule finally cleared up one afternoon following a brief rain in Austin, I jumped at the opportunity to do a bit of exploring. One of my goals right now is to check out new parts of the creek I hunt on. Scanning through my list of potential spots, I decided to try and be the first one out to a very promising location. Like my previous hunts, this place ran through the Ozan formation, so my expectations were set on some nice Cretaceous specimens as well as the usual native artifacts that Central Texas is so famous for. After I parked and carefully scaled my way down to the water's edge, I was immediately met with several pairs of shoes and jackets. Thinking I had been beaten to the punch, I decided I might as well head down the stream and meet whoever it was to discuss the location and fossils in general. Thankfully, the trip was saved when they turned out to be a kind group of fishermen. After a brief chat, I carried on to get the hunt started. The mud was an absolute nightmare. I had never been up to my knees in it until then. Somehow, I managed to trudge my way through without getting one of my water shoes sucked away into a different dimension. When I finally reached the first gravel bar, I was instantly rewarded with the nicest Ptychodus tooth (E) I have found yet. Scattered around the bar were tons of flakes and a couple of larger worked pieces (G, I) that were unfamiliar to me. Before moving on, I also stumbled upon what would've been the largest point I'd ever found (H). Unfortunately, it was pretty banged up. The previous rain wasn't that big in terms of flooding, so I spent the most time scouring the gravel still under water as I reasoned that the stuff on dry land was less likely to have been moved around in the storm. It was during this moment that I found my first mosasaur vertebra of the day (A). This one was exciting to me as I personally thought it very much resembled the verts that famously come out of the NSR's Ozan formation. Within a couple feet of it I found another half piece of mosasaur vertebra (B). With the close association of these two bones, I went into a bit of a frenzy. Nothing else came up, but I knew that there was a massive exposure just up ahead so I hurried on. Along the way I ran into a fragment of the smallest point I've come across (F). At its size, I wonder if the original piece would've been a true arrowhead. Once I reached the main exposure, I immediately got to probing around. I came across two more pieces of bone that I believe are both belonging to mosasaurs (C, D). They have bony structures, but they are also pretty beat up and may have come from a different formation in comparison to the other two verts I collected. With the day winding down I picked up a nice big Exogyra ponderosa for my dad's friend as well as a couple of preforms. I tried to look around in the exposure for any hints of mosasaur, but that shale is extremely difficult to get through. All in all, it was a great success. I think I've found my new go-to spot! With the addition of potentially 4 new mosasaur verts, that's a 400% increase in my total mosi collection! P.S. Does anyone else get "Tetris Syndrome" after scanning gravel bars for way too long? For hours after the trip, I literally could not stop seeing gravel and chert flakes every time I closed my eyes. An overview of the finds: Closeups for ID: A: First mosasaur vert of the day. To me, it strongly resembles those found in the NSR's Ozan formation. This one was covered in a clay-like matrix. B: The second vert of the day. Seems to be broken in half and from the same formation as A. Appears to have pyritization on some parts of it. C: Third vert which I believe is mosasaur. This one is beat up and seems to be of differing material from A and B. Could it be from the Austin Chalk which is present farther up the creek? D: The last "vert" of the day. This one I am least confident about. It appears to have a bony texture, but is very worn and has a confusing shape. It seems closer to C than A or B, but it also feels very distinct in it of itself. What do you guys think? I suppose it could be something else entirely! E: A nicely preserved Ptychodus tooth. I'm thinking anonymous or mammillaris, but my ID skills are pretty lackluster. F: "True" arrowhead fragment? G: Strange artifact. The angle seems too wide to be a point. I think it's too thin to be an adze. Obviously missing a huge chunk from that fresh curved break. What do you guys think? H: Fragment of a large point I: Another strange fragment. I think it may be an adze since it's a bit more robust. Fresh break on one edge. Let me know if you want any more close-ups. Thanks for reading!

So I have 2 of what I think are tibias...maybe of a large cow or bison? I mostly took photos of the one in the foreground...it's more mineralized. Found in Pleistocene alluvial deposits, but at different times and locations...meaning not near each other. How can I tell the difference between a large cow and a bison when it comes to these? They are pretty massive and heavy. Not mammoth size, of course, but still a decent size.