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Showing results for tags 'eagle ford'.
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From the album: Grayson County creek - April 21st
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From the album: Grayson County creek - April 21st
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From the album: Grayson County creek - April 21st
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I've been wanting to check out some of the construction sites in Eagle Ford areas in north Texas, but most of those are well north of Dallas. I'm 60 miles southeast of Dallas, so I'm not often willing to drive that far to scout sites, most of which probably won't have anything anyway. But yesterday, I had a doctor's appointment in Dallas, plus needed to make a shopping stop in north Dallas, so I decided to do a little scouting further north. It was to be just scouting, and I wasn't dressed for any actual fossil hunting. I had on shorts and sandals, and didn't even bring my hat. But, don't you know it, I brought home fossils. One of the construction sites was on a hillside, so the grading done to level it went deeper there, and I stopped to walk a little of it. I found a rock that just looked like a piece of concrete, but I've learned that some of the Eagle Ford fossiferous matrix looks a lot like concrete, so I routinely waste a lot of time picking up concrete pieces. There were no visible fossils in this rock, but when I turned it over, it looked like gray sandstone on the other side. That told me it wasn't concrete, and every time I saw another rock that looked like it, I picked it up. Sure enough, one of the rocks had a small tooth so close to the surface, I was able to pluck it off the rock with my fingernail. Here is that tooth.
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- eagle ford
- teeth
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From the album: Grayson County creek - March 28th
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From the album: Grayson County creek - March 28th
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From the album: Grayson County creek - March 28th
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From the album: Grayson County creek - March 28th
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From the album: Grayson County creek - March 28th
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From the album: Grayson County creek - March 28th
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From the album: Grayson County creek - March 28th
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From the album: Grayson County creek - March 28th
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From the album: Grayson County creek - March 28th
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From the album: Grayson County creek - March 28th
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From the album: Grayson County creek - March 28th
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From the album: Grayson County creek - March 28th
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From the album: Grayson County creek - March 28th
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From the album: Grayson County creek - March 28th
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From the album: Grayson County creek - March 28th
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I recently found a construction site in a productive layer of the Eagle Ford. I found several ptychodus and other shark teeth as well as some pachyrhizodus teeth, a possible mosasaur tooth, and a couple of items that i cant figure out. Here are a few pictures of my finds as well as the items im not sure about. 1. The haul 2. possible Mosasaur or other reptile tooth? It is skinnier than a mosasaur and it is oval like as well so i cant figure it out. 3. I have seen this before on TFF but cant find the post. Anyone know what this is? 4. Fish bone for sure. Maybe a jaw segment? 5. I have no idea about this one. Anyone? 6. This is just a rock i'm pretty sure but don't think it would have formed this way coincidentally. Geological?
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- cretaceous
- eagle ford
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Found this beauty recently in a middle turonian exposure of the Eagle Ford formation in Texas. Knowing the age, (91 million years) I'm able to rule out quite a few options, but I'm still stuck between P. anonymous, P. mammilaris, and the Ptychodus that Shawn Hamm will describe this year, which has also been found at this location. I don't think it's decurrens or marginalis, but I'm not great at Ptychodus ID yet so perhaps they're still options. It's much larger than the P. anonymous teeth I've found, and being (perhaps) a posterior or lateral file tooth, I'm unsure of how to ID mammilaris there. I know @LSCHNELLE knows the diagnostic features of Hamm's upcoming Ptychodus, thoughts? Scale bar= 1 cm
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- 6
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- eagle ford
- ptychodus
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What genus or species is this? Any ideas? I found this small jaw fragment (triangular form - first 5 pics) in the Lower South Bosque Member (Lower Turonian) of Eagle Ford Shale here in Travis County today. I see 7 spots for teeth of which all but one are significantly damaged or worn down. The size is 17mm x 20mm and 10mm tall including jaw. These are the best images I can get with my cell phone. I have found individual 5 to 7 mm tall teeth in this layer also that might fit in this jaw. Could it be a fish instead? Maybe Enchodus? I've also found a pycnodont (last three pics) fish jaw in this layer - slightly smaller sized.
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- coniasaur
- eagle ford
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Picked this up in Post Oak creek, Cretaceous. Not sure what I'm looking at, don't recognize usual root, is that a chunk of gum attached to tooth? Looks like it was part of larger piece that broke off and left the impression beside it .
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I have taken almost six months off from my favorite fossil adventure - shark tooth hunting. I was a little hunted out after a torrid pace in 6 years that saw me and my wife finding over 1000 Ptychodus teeth and some rare pliosaur and mosasaur teeth during maybe 50 to 100 small outings each year. We even traveled to Wyoming and the Dakotas "to check off some unvisited United States". But, much to her chagrin, I/we got a lot of fossil hunting time in at the expense of other trip priorities. Yes - I was obsessed with Ptychodus. But, I think that I am now a little more even-keeled. During the six-month hiatus, I took the time to pass on some of my local knowledge to help @Jared C. in his Central Texas area fossil adventures. He and his brother found and excavated a partial basal mosasaur skull from somewhere locally. I asked him not to tell me where (I have no idea) because I enjoyed helping him and I didn't want to spoil his enjoyment of the chase. Note to experienced fossil hunters - new eyes often see things in an unconventional way. And, that is a good thing! I try to look for and learn new things every time I hunt the same area. So, in middle February 2022, there we were together for a couple of hours in the creek in one of my favorite outcrops. It wasn't the sunny day, I had hoped for, but most importantly it fit my wife's schedule. She gave me a Christmas gift of monthly fossil hunts with her! Such a gift, even after dragging her through the baby mosquito hatch in South Dakota to find a rainbow colored ammonite! Now, that's love! Not the ammonite! You can find 8 or 9 species of Ptychodus in 30 vertical feet of Eagle Ford and Austin Chalk - Atco outcrop - all at predictable stratigraphic levels along a 400 yard long stretch of creek. I learned that Ptychodus strata marker fossil trick from Shawn Hamm. Here are pictures of a few teeth from this hunting spot from one of my favorite Ptychodus species (occidentalis). One, I found in the February 2022 hunt and another in 2021. The third tooth in early 2019. The first one has a little snail-like curl at the middle of the crown. The second is a rare upper medial file - so, strange in shape and form. They are both 10 mm or less in size, but nearly flawless and unique. Still hoping for another 25 mm+ size P. occidentalis from there but without the smashed off crown top (third one in last two pics). Happy hunting! But, I encourage you to stay even keeled. Don't get too crazy! It's just a pretty rock! But, it still can be amazing!
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- eagle ford
- favorite spot
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Some Miscellaneous North Texas (and Louisiana) Fossil Trips
Thomas.Dodson posted a topic in Fossil Hunting Trips
This past weekend I had the time to take some friends on their first fossil hunting trip and went to North Texas. I took them to Post Oak Creek, Lost Creek Reservoir, the North Sulphur River, and the Cane River site in Louisiana I posted about last time. I wasn't expecting too much since there hasn't been much rain and it'd be picked over but I was okay with that since even common material would be new to them. I also ended up having some decent luck myself so I wanted to post some of the finds. At the Eocene Cane River Formation site I collected these bivalves which I hadn't collected from the site prior. Limopsis aviculoides I believe. These teeth appear to be Scomberomorus bleekeri, a common Eocene find. A nice Sphyraena sp. tooth. Physogaleus secundus were also new from the site for me. Some ray tooth? Some new lateral Striatolamia macrota alongside some old anterior ones from a previous trip. Multiple species represented in new small otoliths. There is a paper describing the otoliths from this site but I haven't been able to get a copy yet so I've only identified the larger ones from last time. Among the many Belosaepia veatchi was this unusual one. The "blade" is B. ungula like but the cavity is rather deep for that. New gastropod taxa that I haven't identified yet. From Post Oak Creek I wound up with some nice Pleistocene finds. Canis sp., probably a coyote. A muskrat tooth. Lots of Ptychodus whipplei this trip. Some of the nicest ones. The biggest Squalicorax teeth. Some sadly incomplete Cretodus but still nice. And my favorite tooth from the trip, a great colored little Cretodus. Love the contrasting tip. From the North Sulphur I got a nice little mosasaur terminal caudal vertebra. It's good enough for me from and more than I expected. I also got a nice living chamber from a Trachyscaphites.
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- cane river formation
- cretaceous
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