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Showing results for tags 'squalicorax'.
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From the album: Post Oak Creek
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Dear Fossilforum members, I was wondering if the echinoid on this piece of matrix is indeed a Gauthieria radiata and if so, does that appoint this fossil to the lower, middle or upper Turonian? The shark tooth is a Squalicorax falcatus and the piece was found in the Ardennes departement of France. I know the age of a few locations nearby, but the age of the location where this piece is from is nowhere to be found in literature. I also am not sure if I may say where it was (it took a lot of questioning to find out where it can from haha). Therefore I hope that the echinoid perhaps could be used to appoint a specific age to it. In anycase, thank you very much for your answers, Kind regards, Sander
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- 2
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- cretaceous
- falcatus
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Hello, I have a squalicorax tooth, it is posterior. Is it rare, and if it is how much would it cost
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From the album: Post Oak Creek
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I’ve had Big Brook and Ramanessin on my shark tooth hunting list for a while and finally made it up to both today. It’s a 6-hour roundtrip drive from where I live and with the days still pretty short this time of year, I had originally planned to spend my limited time just at Big Brook. After an hour-and-a-half of mostly striking out on shark teeth there, however, I decided to head over to Ramanessin, which both @Bob-ay and @PaleoNoel had recommended. Luckily, the two spots are only about 10 minutes apart, so I didn’t waste much time in transit, and I was rewarded with much better gravels at Ramanessin than I’d found at Big Brook. Some pictures of my trip and finds are below. While I’d hoped to find more intact shark teeth in the Cretaceous streams today (nearly all that I found were partials), all-in-all, I had an enjoyable trip and found a decent variety of things for my first time in the area. I look forward to returning! I parked at and entered Big Brook via Hillsdale Road. Unfortunately, there weren't a ton of exposed gravels there today (I was walking in the direction of Boundary Road, though I stopped about 2/3 of the way there). My first fossil find of the day: Belemnitella americana. These are pretty common and I had a couple from Big Brook already via a trade with @butchndad but this was my first belemnite find ever! I found this Enchodus petrosus fang on one of the first decent gravel bars. It measures 36 mm long and turned out to be my find of the day. This was the only (mostly) compete shark tooth (it's missing the very tip) that I found in my hour and a half at Big Brook. I believe it's a small Cretalamna appendiculata. I only found two other fragments of shark teeth in the time I was there. Photos from Ramanessin coming up...
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This last weekend I hit the NSR along with the crowds and decided to start at the Ladonia Fossil park. I got there shortly after dawn and already there were several groups of people down in the river. I don't mind walking in others footsteps and in fact quite a few of my good finds have been within feet of where others have already walked so I started off and within about an hour of slipping and sliding around on the marl I found two of the ugliest associated mosasaur verts I've yet to lay eyes on. Maybe they will clean up nicer than they look now but in my experience the preservation in the highly fossiliferous 'red-zone' is generally terrible compared to the marl above and below it. I was able to extract the verts under the careful watch of a committee of buzzards. This squalicorax sp. tooth was in the matrix around the mosasaur verts. Throughout the day I found a few more things such as a bone (possibly fish - not sure) with predation marks: I think the growth rings on bones are particularly cool: A fish something - tooth? (again not sure the ID): Very small jaw section: An ammonite that I considered tossing several times over due to the weight and the fact that's broken in two places: A small fish vert section: And finally vert #1: and #2: Eventually I hope to prep these out, but it'll have to wait till I get my prep station all set up. Thanks, - James
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- 6
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- ammonite
- cretaceous
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I'm wondering what the rounded fossil might be? The place it was found contains mostly sand, and smaller shark teeths here and there. I think later createous? Really small shark teeth sometimes, not more than 2-3 mm sometimes. The rounded fossil is about 1cm on the long side. It might just be a pebble, or a fish tooth or a gastric stone, or a miss-grown shark teeth? I really don't know? I'll add some of the shark teeths for reference so you guys know the setting it was found in.
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Where to get started in finding Central Texas teeth and bones
Jared C posted a topic in Questions & Answers
I'm a newbie who lives in the Austin area with a lot of passion for ancient life, but I'm having trouble making a decisive start with with my searches. I have a particular interest in large western interior seaway predators, most notably xiphactinus, but also the mosasaurs and sharks that lived in the area as well. Finding a vertebrae, of perhaps even teeth from these groups would be absolutely wonderful, but of the few creeks in the Austin area I've scouted, I've been able to turn up nothing besides gastropods. This is still despite heavily studying the sometimes confusing Texas geological maps So with this in mind, how and where do I start? Are there any places in the Austin area where I may have some luck in discovering possible vertebrae or teeth? I'd love any advice, I'm eager to make a start but I'm quite alone and need a little bit of guidance. Thanks! -
From the album: Post Oak Creek
Very narrow tooth with serrations indicates it must be Squalicorax sp. -
From the album: Post Oak Creek
Notice the dimple, not sure what caused it... -
Here are the Squalicorax sp. shark teeth I mentioned in my earlier post. As with the others, these didn't come with specific location information, but were most likely collected in the North Texas area. My IDs may be way off, so please correct me if I'm wrong. Thanks for looking! The scale in the photos is in centimeters. #1 - Squalicorax baharijensis #2 - Squalicorax pawpawensis #3 - Squalicorax falcutus #4 - Squalicorax sp. - I'm not sure what species this might be. The blade is finely serrated in case it's hard to tell from the photos.
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- cretaceous
- shark
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From the album: Post Oak Creek
Didn't find much this time. I don't think it's rained in a while - the water looked stagnant. Also was picked over well. Favorite find is the mostly complete Cretodus (found it under a fallen tree).-
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- cretodus
- cretolamna
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From the album: Post Oak Creek
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Hello everyone! I am looking for Squalicorax (Any species) to help aid in the research I am doing for my University. I'm looking for a bulk amount or Squalicorax hartwelli from Kansas, or anywhere in the Western Interior Seaway. I am also looking for Squalicorax falcatus from the Southern U.K., France, Belgium, and/or Morocco. Any complete or near-complete Squalicorax you have that you are willing to part with, please contact me. I am a college student. I have lots of shark teeth that I can trade, including: - Megalodon shark teeth and meg ancestors ( angustidens, chubutensis, obliquus, and Otodus minor from Russia) - Many Paleocene teeth from Russia - Paleozoic teeth including orthocanthus, xenocanthus, petalodus, etc. - Many Eocene teeth from Alabama and Kazakstan, especially Alabama. - Cretaceous species from Alabama, Texas, New Mexico, South Dakota, etc. - Australian miocene teeth - 2 incomplete Striatolamia macrota from Seymor Island, Antarctica. and much more. Please send me a PM on here. I am also collecting literature, and while I won't trade for literature, it would vastly help me! Thanks everyone, Chase
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- cretaceous
- sharkteeth
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From the album: Post Oak Creek
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From the album: Post Oak Creek
I found less stuff than last time, but I found a nice centrum and a shard of a mosasaur tooth. A couple teeth grouped with Scapanorynchus may be Serratolamna sp. -
So, I came across yet another bag of teeth I had collected back in the 90's (I HATE being able to say "back in the 90s" like that) and packed away for later perusal. Now, what I did not do, which I usually do, is mark the bag as to where I collected it. *sigh* Luckily, there are only 2 places I have collected Squalicorax. Green Mill Run and Cape Fear river. I am relatively certain these are from GMR as I collected in Cape Fear later than the 90s and this was in a box packed before that. Plus they just dont look like the stuff I got in Cape Fear.
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- cretaceous
- shark
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Here are my new fossils! And how my collection looks now. For size comparison the enchodus tooth to the right in the picture of the entire collection is 5,6cm long (2.2 Inches long)
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- collection
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Some finds from a few recent trips to a couple different spots.
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- archaeolamna
- campanian
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From the album: Texas Cretaceous Shark teeth and Other Marine Fauna
Squalicorax hartwelli (Cope 1872). Slant length indicated by longest side. -
From the album: Texas Cretaceous Shark teeth and Other Marine Fauna
Squalicorax aff. pristodontus (Agassiz 1843). Slant length indicated by longest side. -
From the album: Texas Cretaceous Shark teeth and Other Marine Fauna
Squalicorax sp. (Whitley 1939). Slant length indicated by longest side. -
From the album: Texas Cretaceous Shark teeth and Other Marine Fauna
Squalicorax yangaensis (Dartevelle and Casier 1943). Slant length indicated by longest side. -
From the album: Texas Cretaceous Shark teeth and Other Marine Fauna
Squalicorax sp. (Whitley 1939). Slant length indicated by longest side. -
From the album: Texas Cretaceous Shark teeth and Other Marine Fauna
Squalicorax aff. lindstromi (Davis 1890). Slant length indicated by longest side.
