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  1. erose

    Glen Rose Fish

    From the album: Lower Cretaceous Vertebrate Fossils of Central Texas

    This fossil is in the visitor center at Westcave Preserve in Travis County. The stone was quarried from the Glen Rose Formation near Sisterdale, Kendall Co. This is a little over 10 inches long.

    © ERose 2021

  2. erose

    Large Glen Rose Fish

    From the album: Lower Cretaceous Vertebrate Fossils of Central Texas

    Another large fish preserved in a hard limestone that was used to build the visitor center at Westcave Preserve. This one is the largest at at least a foot in length.

    © ERose 2021

  3. erose

    Fish Jaw, Unidentified

    From the album: Lower Cretaceous Vertebrate Fossils of Central Texas

    This is one of two jaws that are in the walls at Westcave Preserve. Quarried from the Glen Rose near Sisterdale, Kendall County.

    © ERose 2021

  4. erose

    Pycnodontid Jaw

    From the album: Lower Cretaceous Vertebrate Fossils of Central Texas

    This large (2" long) jaw is again built into the wall at Westcave Preserve. From the Glen Rose Formation. Quarried near Sisterdale, Kendall County.

    © ERose 2021

  5. erose

    Worn Loose Pycnodontid Tooth

    From the album: Lower Cretaceous Vertebrate Fossils of Central Texas

    This is another Pycnodontid tooth from the Walnut Formation showing a great deal of wear on one end. The other item in the image is a rather spiny crustacean leg I am still attempting to ID.

    © ERose 2021

  6. I found this in the same area where I found the Corbula plate. Found west of Austin, on Highway 290. It was partially still covered, in the side of the road cut, when I slowly wiped away the matrix. Couldn’t believe the length. Immediately stopped collecting and took it to the car for safe keeping. It is not the shell itself but a mold of the shell. Always wondered on the identification. Can someone help me? Thank you in advance.
  7. Central Texas has been experiencing a surprisingly cool September plus quite a bit of rain! And that equals some great fossil hunting! I have gone to a few old spots and a few new spots! All in the Cretaceous Glen Rose. I am just constantly amazed at the amount of fauna in the Glen Rose. It seems like I find something new just about every time I go out! I was happy to find a new species of echinoid - a Goniopygus sp. ( very different from the previous Goniopygus I've found) It's tiny tiny, only 5mm. And I found my first really good vertebrate material - a Pycnodont jaw with teeth and a large piece of turtle (plastron?). And even thought it's no echinoid...it's still an echinoderm - my best find of the month so far....a free swimming crinoid! I had never seen one of these but thanks to the Paleontological Society of Austin and our latest field trip, I found this lovely odd little thing! Plus some good Heart Urchins and some nice little Loriolias. Goniopygus sp. 5 mm Free Swimming Crinoid: 1/2 inch (1 cm aprox) Pycnodont Jaw with Teeth 1 inch A small Cidarid Fragment and some Leptosalenia and Cidarid spines A nice Heteraster obliquetus: 1 1/2 inch A decent Pliotoxaster comanchei. 1 1/4 inch A nice little Loriolia rosana 1/2 inch Turtle bone fragment 2 inches
  8. rkfrace

    Coprolite on Matrix - if it is?

    Hello all! I purchased this fossil several years ago, The location given is 'Glen Rose, Texas, private ranch', and was labelled as 'Lower Cretaceous' coprolite on original matrix. I am 90% sure that the coprolites have been lightly stained with a brown stain. I have dozens of legit coprolite specimens from across the Southwest (but mostly Permian and Triassic), but I have never been convinced that this specimen, which definitely has potential for being authentic, actually is. Any insights you can provide would be deeply appreciated. [P.S., this is the 5th of 5 specimens that I'm posting for ID today; I deeply appreciate any insight that you can provide]. With gratitude, Ryan
  9. ThePhysicist

    Glen Rose theropod track (2)

    From the album: Dinosaurs

    I took this photo a while back in Dinosaur Valley State Park. Texas was in the midst of a drought, so the river that usually flows over the trackway was dry. I wish I had taken more photos (with a better camera too). These 3-toed theropod tracks are from the Early Cretaceous, and were likely made by Acrocanthosaurus.
  10. ThePhysicist

    Glen Rose theropod track (1)

    From the album: Dinosaurs

    I took this photo a while back in Dinosaur Valley State Park. Texas was in the midst of a drought, so the river that usually flows over the trackway was dry. I wish I had taken more photos (with a better camera too). These 3-toed theropod tracks are from the Early Cretaceous, and were likely made by Acrocanthosaurus.
  11. HI all! I found a new to me crab leg! At least I'm fairly sure it's a crab leg! But I have not seen one like this. It's from Canyon Lake area in the Lower Glen Rose formation. I've looked at some of the literature but am not seeing anything that looks similar. Any help would be appreciated!
  12. I have been TRYING to find some shark teeth in the Cretaceous Glen Rose Formation around Canyon Lake (not a lot of shark teeth in the Glen Rose Formation!) But I know they are there...just far and few between, as my parents would say. Soooo....finally stumbled across this tiny little thing. It's not your classic cretodus, obviously, but could it be a tooth? With the root broken? What gives me pause is it is grooved along the front curved edge.. There is a distinct furrow. Perhaps it is an enchodus tooth? I don't know enough about vertebrates to know. Also, found a little group of what.I think might be pychnodont teeth, but I am just not sure! Any help with ID'ing these would be appreciated! Thanks so much! Tooth ? Measurement in inches All Four Sides: Top with furrow Side - you can see the furrow on the left side Underside (Back side) Pycnodont teeth? Measurement in Inches From the side
  13. RoG1

    fossil I.D.

    Found this fossil in central Texas (Glen Rose formation), but it was found in rock that was hauled in around my sister's house. So I don't know if it's Cretaceous or not (sure looks like central Tx limestone, tho).
  14. LBI

    Scutes?

    Are these scutes? Found in Bandera County TX. Glen Rose formation.
  15. Good evening I just now found this tooth so I begin digging around and have discovered the maxilla in the mandible including a whole bunch of teeth! But they are falling apart! I have pieces parts of everything else besides this one tooth! Does anybody happen to know what animal would have A tooth like this?
  16. 59223508422__97F070C1-602C-4850-BBD8-918C654CFD0D.MOV
  17. Kimberly RM

    Rocks galore

    hopefully these little videos will work because I have a hard time with the pictures this may be easier for y’all to understand my question? 59223650294__99B2EC9F-02CA-48F9-B59F-077E7F7938F3.MOV
  18. Kimberly RM

    What determines color of fossils

    I found this in Glen Rose Texas, Summerville county, in the country in a creek bed. I was wondering what determines how this one is red? I have a lot of red rocks and fossils .
  19. Kimberly RM

    Ocean Life

    Good morning, I was hoping that somebody could let me know if one of those is sponge and the other one is coral? Or if not could you please tell me what they are? Also, these were found in Glen Rose Texas, in the country at a creek bed . And that is Somervell County
  20. NSRhunter

    FOSSILMANIA XXXVII

    Hey y'all! Just a reminder that the 37th annual Fossilmania will be hosted again this year in Glen Rose during the weekend of October 25-27,2019. There will be many neat events including a guided trip to see the nearby dinosaur tracks at Dinosaur Valley State Park. Admission is free as always and hope to see ya'll there! The Dallas Paleontological Society is again running this event.
  21. LBI

    Crab?

    Found this yesterday in Medina County, Texas. Any help is much appreciated. Part of a crab claw or leg are my thoughts, but couldn’t find anything that matched.
  22. LBI

    Raptor Claw

    Found this in Medina County, not far from the Medina River. Is it a raptor claw and is there any way to tell which raptor?
  23. LBI

    ID help please

    Found this in Bandera, TX. 3.5” X 1.5” X 1.5”. Looks like it could be part of a jaw bone, but I really have no idea what it is. Any help would be greatly appreciated.
  24. So I am looking for this particular urchin. My grandmother found one when she was a child on the Brazos River outside of Waco TX. Her father sold it to a family friend in the late 1930's and so all I got were the stories of this big round rock that she thought had been "carved by Indians, decorated with dots and snakes". Only much later did she find out that it was a fossilized sea urchin. I am guessing it was a Cidarid, possibly Phyllacanthus or or Paracidaris. All I know is I am determined to find one someday. I would trade my entire collection of fossils for one of those big echies. (If anyone happens to have one just laying around.....let's talk! hahah) . I have been trying to learn the different formations and I stalk the Fossil Forum regularly to learn what I can. When I saw a post by @KimTexan about a Cidarid ID I realized she had found what I had been looking for! (Kim, I am so very jealous of your find!) So, my husband and I set out on one of our "little hunting trips" - we like to take two or three day excursions around Texas - he gets to go ghost hunting at night (we stay at haunted hotels and B&B's) and I get to go fossking during the day. I mapped out some likely spots and we set out from our little town of San Marcos heading north to HIllsboro (excellent home made icecream at A Tisket A Tasket on the Courthouse Square) and then to Granbury where we stayed at the Nutt House Hotel. Stopped at two spots that I thought likely to find my urchin but alas. No luck. Found some nice heart urchins and some "new to me" oysters and a couple of nice chucks of ammonites. I think this was Washita formation? I am using the Rockd App on my phone to try to pinpoint formation since I am definitely not familiar with formations, especially up "north". One of my happy finds was a Pinna Comancheana (far left "cone shaped" fossil) I've only found one other of those. Next morning we headed up to Lake Benbrook Spillway with a stopover at a large roadcut on "Scorpion Hill". This I believe was Glen Rose as most of the finds were heart urchins and gastros. Nothing new to me here, but I did find some better specimens than I had collected previously. Lake Benbrook was a neat place. Two other fossikers were out, I went over to say hello, wondering if they were experienced hunters and knew the area, but nope, they were new to Lake Benbrook, just as I was. I did not get to catch up with them after to see if they found anything good. I was amazed a the large ammonite impressions in the limestone beds. My camera wasn't working, so alas, no pictures. Found lots of nice Oxytopodiceras fragments and a couple of others I haven't identified yet. Pics in next post:
  25. January 2, 2010 The Lower Cretaceous Glen Rose Formation (Kgr) of Central Texas is roughly 110 million years old. Its classic exposures look like man-made steps or solid blocks that are occasionally interrupted with softer rock or marl. The formation is typically divided into upper and lower units by a layer of Corbula fossil clams. Just below this layer was the destination I wanted to find for my first fossil hunt of the year. It takes its name from the isolated occurrence of an ornate fossil sea urchin - the Salenia texana zone! A bright dawn had not yet thawed the frost when I headed to meet my friend, Bob. He was excited to show me a new quarry where he had found echinoids the previous month. When we arrived at the site, he oriented me to the most productive layers in the formation, and we started hunting the youngest strata. I immediately began to find fossils. Erosion of the shelf, we were searching, left fragments of 'heart' urchins, gastropods, and bivalves everywhere. I was trying to be selective, looking for the better preserved specimens, but it was hard to pass up an unusual oyster or clam. Oyster (Ceratostreon weatherfordensis ?) with the partial mold of the shell where it was attached Juvenile Arctica sp. clam Soon, Bob was calling out, "Spiny urchin!" with periodic repetition. He wryly commented, "I just seem to be a magnet for those things." Meanwhile, I gouged my elbow on rock as I crawled along the ground. Glancing to check the damage, I spied one of the small, prickly echinoids. It was just one of those small moments...that capture your love of the outdoors. The late morning light was perfect, and when I reached for the camera, a little heart urchin caught my attention. Even better. So, I digitally captured the two 'echies' before putting them in my box. We finished the morning and the rest of the layer with several more echinoids and a partial crab claw. Loriolia texana echinoid with Orbitolina texana foram Heteraster obliquatus echinoid among Orbitolina texana forams Loriolia texana echinoid Some finds after a little cleaning From this area, we moved down into the "zone". A hard limestone bench capped a six foot thick layer of softer rock. It weathered into chunky clay before a transition back to solid stone. Even within this bracketed strata, I noted some subtle differences in the coloration and hardness. But meanwhile, Bob had started finding echinoids while I was "getting the lay of the land". The marble-sized Leptosalenia texana were eroding with regularity from the top half of the zone. A small, disk-like foram, known as Orbitolina texana, littered the ground. Scattered among them were a variety of different gastropods and a non-fossil caterpillar. Leptosalenia texana with forams and gastropods Caterpillar Leptosalenia texana echinoids Bob previously mentioned that he had found a couple of plates (a part of an urchin's shell) from a very uncommon echinoid on his last visit. So, as we leaned against the wall of the formation, I asked him what else he remembered. He described them as being more whitish in their preservation than some of the other finds we were making; and when he said it, I thought of the variation in the rock I had seen earlier. We had already found fragments of the spines which the 'Salenia' urchins used to protect their shells; but I was not tracking them - we were tracking a cidarid echinoid! In the Glen Rose Formation, two species have been described: Phyllacanthus texanus and P. tysoni. So, I grinned when I saw part of a larger, bumpy spine sticking out of the rock. About that time, Bob suggested that we move over a short distance to a fresh spot. Hunting anything, with success, requires identifying and following certain clues. In the new spot, I put my suspicions to the test. A few feet below the caprock, I found a lighter layer that was somewhat hidden by runoff from layers above. I flaked away the debris to get a better look and immediately started to find several spine fragments! I announced my excitement, "Cidarid spines!" Echinoid spines 5 cm echinoid spine in matrix A slightly elevated heart rate accompanied the anticipation of following signs in the rock. Then, I had an adrenalin spike when Bob called out, "You need to look at this." He walked toward me, and in his hand were 3 connected plates of our cidarid urchin quarry. I showed him some of the spines and explained the "hidden" layer we could focus on. I thought we were close to our treasure, and he asked if I had "covered" the area just to my right. I told him, "No, go ahead" as I knelt down for a look at some of the spines eroding from the ground. "JOHN!" I turned to see him stand up beside me with a golf ball-sized, knobby echinoid in his palm! "You did it!" I yelled. "You really...did it! Way to go!" We stood a moment, looking at the rare urchin with a range of emotions. Then, he handed me his prize while he went back to get his camera. I put it back in the spot he picked it from and took a few photos. When he came back, more photos ensued...it was an amazing Texas find! Although I know quite a few cidarid urchins have been found through the years, I am personally aware of just five...including Bob's - certainly not a common discovery. Checking a few references later indicated he had found a Phyllacanthus texanus! Bob's discovery Phyllacanthus texanus echinoid Well, as you can imagine, the adrenaline of discovery had us quickly back in search mode. More spines were found. I ravenously scanned the layer we isolated. Then, my "heart jumped in my throat" when I spotted the partial test (shell) of another Phyllacanthus! So close...but not this time. My Phyllacanthus texanus partial test Late into the fading light, we searched to no avail. The cool wind and darkness ended our efforts, and we congratulated each other with our goodbyes. Hopefully, with some weathering and heavy rain, we will get another chance to track the rare fossil urchins of the Glen Rose.
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