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New Species of Mega-toothed Shark May Be Related to Megalodon
SailingAlongToo posted a topic in Fossil News
Published today. https://www.livescience.com/61360-fossil-shark-megalodon-ancestor.html Cheers, SA2- 3 replies
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Intermediate and Symphyseal/Parasymphyseal teeth in sharks
The Jersey Devil posted a topic in General Fossil Discussion
Hey everyone, I was just wondering what exactly intermediate teeth were and also what the difference between symphyseal and parasymphyseal teeth is. The small fourth tooth in the upper jaw of Carcharias taurus is marked as an intermediate. Thanks for any help!- 3 replies
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Big Goblin Shark Lateral Tooth from Ramanessin Brook
Jeffrey P posted a gallery image in Member Collections
From the album: Cretaceous
Scapanorhynchus texanus (goblin shark lateral tooth) Upper Cretaceous Wenonah Formation Mattewan Group Ramanessin Brook Holmdel, N.J.-
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First of all hello to everyone on this amazing forum! I and my girlfriend have recently embarked on a year long intercontinental road trip. We are both very much in love with bones rocks and fossils. So we are collecting what ever amazing treasures north America has to offer. We just got in to Florida last night started in oregon. I just stumbled onto this site last night and hope to be able to learn and share what I find over the past year. Here's to the community and hopefully a secret spot or two ps. someone please help us find a meg before we have to leave Florida.
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HI, I'm Sharkyy I'm new to the forum I have been in to collecting fossils for the past 15years. I live in England all my life. The reason I have come to the forum, is learn new things and learn what's being found in our world. Also I would like to show my find to the public as we all have material that have been in the ground for millions of years untouched by man.
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My beautiful wife scheduled a three night stay at a cabin in a Thousand Trails campground near Lake Texoma. We were to arrive on Sunday and check out on Wednesday. So, I figured that, since I hadn't been fossil hunting in months, I would schedule a trip to central Texas to follow the Texoma trip. I set up a rendezvous point in Fairfield, Texas to meet my dad on that Wednesday, and head off toward Brownwood and Cisco, Texas. I figured that the fossil hunt would begin then. But that's not quite how things played out... My two oldest daughters and I met my wife and youngest daughter in Salado, Texas on Saturday, October 14th. They had left the previous morning to spend a day with my mother-in-law in Waco and Salado. We spent Saturday night in Salado and then parted ways with my mother-in-law on Sunday morning and headed toward Lake Texoma. As we drove through Waco, my wife asked if we wanted to take a detour. She had never been to Dinosaur Valley State Park in Glen Rose, Texas, and she thought the girls would enjoy seeing the dinosaur tracks in the Paluxy River. I got really excited. I hadn't been there since I was a kid, and at that time, the river was high and the tracks were not visible. So we adjusted our GPS to take us to Glen Rose. We pulled in and stopped off to get a map of the park. We then drove straight to the spot where Roland T. Bird made his first discovery. It was amazing. The water was low and gave us a clear view of the trackways in the river. Above you can see both the sauropod and theropod tracks, They are a little obscured by mud, but they are still very visible. We left the R.T. Bird site and went to another place called the Ballroom Track Site, where so many tracks go in so many directions, it was like the theropods were dancing. It was in slightly deeper water, but it was still beautiful! The rippling water was crystal clear and the girls couldn't help but get into the water, even as a cool front brought chilly winds down the river valley. My wife loved it. She told me that Dinosaur Valley State Park was our next camping destination. Before we left, we stopped off by the iconic Tyrannosaurus Rex and Apatosaurus models built for the 1964-65 World's Fair in New York. They were permanently installed at Dinosaur Valley in 1970 at the park's dedication. We left Dinosaur Valley and drove the rest of the way to our cabin at Lake Texoma, arriving just after dark. We settled in and tried to decide what we wanted to do the next day. It was Monday, and we figured there had to be something for the girls to do nearby. We quickly discovered that our options were limited. It had turned too cold for the pool at the campgrounds. The putt-putt at the campground was okay, but the girls quickly tired of it. And most of the other recreational equipment was not well kept, or available. So, we decided to leave the campground to find something for the girls to do. I had mentioned that I would like to check out the Permian site at Waurika, Oklahoma. It was only two hours away, and this was the closest I had ever been to the site. My wife was a bit miffed by the lack of things for the girls to do, so she said "Let's go." I jumped at the chance. I had done no research on the site, other than what I had read about it on TFF. I wish I had consulted the TFF experts before we left, because I had no idea of the best places to look. We focused mainly on the sandy floor and reddish rocks, and found nothing. When we returned to the cabin, I asked where we should have looked. Jesuslover340 informed me that the gray colored exposures were the places to find the best material. So, we came away empty handed, with only one major discovery. My wife wouldn't let me take it home, though... Continued in next post...
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- brachiopods
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From the album: Eocene vertebrates of Ukraine
Pathological Striatolamia lateral crown- 2 comments
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From the album: Eocene vertebrates of Ukraine
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From the album: Eocene vertebrates of Ukraine
Second upper anterior, upper lateral and lower first lateral.-
- anomotodon
- eocene
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From the album: Eocene vertebrates of Ukraine
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- eocene
- shark teeth
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Hey Everyone, I was researching about Sharks and I had a quick question, and hopefully you can answer them. I found a few of images of Shark Jaw Bones on the internet that are in the form of Drawings and Tattoos, but I was not able to identify what type of Shark the Jaw Bones came from. I was hoping you can help me on it. I have attached a few links below to the images. Link 1: https://thumb9.shutterstock.com/display_pic_with_logo/1768667/304081742/stock-vector-great-white-shark-jaws-304081742.jpg Link 2: http://nextluxury.com/wp-content/uploads/male-shark-jaw-tattoo-with-detailed-design-on-inner-forearms.jpg Link 3: http://static.tattoodo.com/visitors/248651/portfolio/thumbs/30655-340454-alpha.jpg Link 4: http://delinear.info/images/th3n04h/hd/depositphotos_7307828-Shark-Jaw.png If you can also prove how you came to that conclusion with solid evidence, that would be greatly appreciated. Thanks!
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Here are several teeth from Late Albian of Ukraine (Kanev region). Help with identification will be very appreciated. Other fossils from this site 1. Tooth is fairly worn, but it should preserve the original shape (no cusplets). Root is poorly preserved, but is it possible to determine who it came from? I am thinking about an early Anacoracid or a Carcharhiniform (Triakidae)? By the way, Anacoracids are extremely rare there, so there is really nothing for comparison. 2. Most likely a tiny Synechodus crown, but the shape looks weird for Synechodus. Could it be a Scyliorhinid? 3. Anacoracid? It has some serrations on the distal side. Also thought about Squaliform, but the root looks more lamnoid-like. 4. Scyliorhinid or Lamnoid?? 5. Almost 100% sure it is a Hemiscylliidae, but is it possible to determine the genus? I am leaning towards Chilloscyllium, but not sure.
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A - lateral; B, C, D - anteriors. Anterior teeth have typical of Heterodontus V-shaped root and marked cutting edge. Unlike H. canaliculatus anteriors, anteriors of ‘H.’ upnikensis have more convex labial side (so that cutting edge is situated in the middle of the lateral surface) and no lateral cusplets. Crown generally widens near the base, so most teeth have regular triangle shape of a labial face. Teeth located closer to symphysis display more mesiodistally compressed crowns. Enamel is smooth on both faces. Lateral teeth are also different from H. canaliculatus: they have lower and shorter central occlusal ridge and lateral ridges are highly anostomosed on both sides, so that complete tooth ornamentation has a net-like appearance. ‘Heterodontus’ upnikensis is an enigmatic species. No associated tooth set has been found yet, consequently it is impossible to tell that a given set of laterals actually belong to ‘H.’ upnikensis. There is a possibility that lateral teeth described here as ‘H.’ upnikensis here belong to another Heterodontus species not represented by anteriors in Kanev collection. They were assigned to this species because there is generally some degree of tooth plan similarity between anteriors and laterals of the same species. Laterals described here have: 1) relatively weak and short central occlusal ridge; this trait is similar to ‘H.’ upnikensis shorter cutting edge because of lateral cusplet absence; 2) more bilateraly symmetrical crown shape and ornamentation across the central occlusal ridge than in H. canaliculatus; this feature is analogous to relatively equal thickness of labial and lingual face on ‘H.’ upnikensis anterior teeth. Also, anteriors of ‘H.’ upnikensis are a lot more common in studied locations than H. canaliculatus, and the same trend applies to two found Heterodontus lateral teeth morphotypes with H. canaliculatus teeth being a lot scarcer.
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From the album: Eocene vertebrates of Ukraine
Unidentified lamnoid anterior- 5 comments
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- eocene
- odontaspis
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Intermediate tooth of S. macrota.
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From the album: Eocene vertebrates of Ukraine
3 intermediates, most likely from Striatolamia macrota.- 2 comments
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- eocene
- intermediate teeth
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From the album: Eocene vertebrates of Ukraine
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From the album: Eocene vertebrates of Ukraine
A - female anterior B, C - female laterals-
- eocene
- physogaleus
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From the album: Eocene vertebrates of Ukraine
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- eocene
- notorynchus
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From the album: Eocene vertebrates of Ukraine
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- eocene
- notorynchus
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From the album: Eocene vertebrates of Ukraine
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- eocene
- galeocerdo
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From the album: Eocene vertebrates of Ukraine
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From the album: Eocene vertebrates of Ukraine
A - Hexanchus microdon B - Notorynchus kempi-
- eocene
- hexanchiformes
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From the album: Eocene vertebrates of Ukraine
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Anterior tooth of Archaeolamna aff. haigi from Albian of Kanev region, undescribed formation. It is the second most common shark species in this location.
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- archaeolamna
- sharks
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