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Showing results for tags 'Mosasaur'.
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Hi, guys! I got a Mosasaur tooth from (Ouled Abdoun Basin?), Oued Zem Morocco, but I'm not sure what species it belongs to. Can anyone help me to identify it? CH: 4.2 cm CBW:1.8 cm CBL: 2.4 cm serrations: Yes Thanks guys
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- mosasaur
- mosasaurid
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Hello, everyone! It’s been a while since I’ve been on this forum, but I was finally able to make my way back up to Ladonia this week to hunt a little. I didn’t walk too far from the bridge and mostly just surface-searched through gravel bars; unfortunately, I didn’t fulfill my dream of finding a mosasaur tooth, but I did find some other cool things! (Please note that all measurements are in centimeters) 1. My favorite find today was this Xiphactinus tooth. I found it just sitting on top of a submerged (but very shallow) gravel bar. 2. I accidentally found this point after just picking up what looked like a black rock in the water. I’d love to learn more about it; I was thinking perhaps a Gary Point? 3. Next up is a tooth(?) that is so worn down I’m not even sure if it’s identifiable, but I thought I would put it out there in case anyone had any ideas. I was thinking perhaps Ptychodus, but someone suggested to me that it could possibly be Globidens. Any thoughts? 4. Fish bone? 5. Mosasaur vert? This is an unfamiliar shape to me so I’d love some insight. 6. Another mosasaur vert. 7. Bone fragment #1. Not sure if it’s possible to identify this, but it had a distinct shape, so I decided to just post and see. 8. Bone fragment #2. Also not sure if this will be identifiable. That’s all that I have for right now!
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"Gracie" the mosasaur was finally freed from her 90 million year old South Bosque Member of the Eagle Ford Shale "prison" today. Partly exposed before her discovery on Fossil Day 2023, she is 4 meters long, complete, and fully articulated - although part of her tail and trunk washed downstream on October 5, 2023. A good part of that float has been recovered. A trip report is following when I get the energy to update my ongoing report after the last 5 straight days of excavation. Thanks go out to @Jared C, @JohnJ, @GPayton, my wife Susie, daughter Angela, Stephen Cruse, and many others who helped - especially Dr. Mike Polcyn of SMU.
- 9 replies
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- 16
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- fully articulated
- mosasaur
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hi I recently wanted to find a Tylosaurid tooth from Morocco, but I'm confused about the tooth morphology of this ID. Because I found that some teeth described as Tylosaurid had very distinct protruding prisms (likes figure 3 and 4) on their crown surfaces, while some teeth were indeed relatively smooth (picture 1 and 2). Which one is correct?
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From the album: Sonickmonx's South Carolina Finds
This tooth measures 1.65" and was found in the PeeDee formation. The genus/species of mosasaurs found in SC is contentious, so I will refrain from identifying it with any specificity.-
- cretaceous
- florence
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Hello everyone. I found this tooth months ago and perhaps didn’t do enough reading at the time. I labeled it a mosasaur tooth and moved on. Now having gone through more online articles I am thinking that it is indeed a crocodile tooth. Any help would be appreciated! Found at Ramanessin Brook in New Jersey, which I believe is part of the Navesink Formation. Although several other Cretaceous formations exist there too, like the Wenonah Formation. The tooth measures approximately 5/8 of an inch long by 3/8 of an inch wide at the base. There is worn down carinae with no serrations. I’m not sure what to call the pocket at the base of the tooth but you see this in both crocodile teeth and mosasaur teeth. Seems small for a mosasaur tooth but just wanted some extra input. Thank you!
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Hi All, I found this tooth sifting in one of the Cretaceous brooks in Monmouth Co., NJ. during a trip around November last year I wasn't sure what it was at first (initially thought talon possibly from something more recent), however after showing photos to a few local folk more familiar/knowledgeable with the fossils in this area (Thanks @frankh8147!), the consensus was, it's a very compressed Mosasaur tooth. Makes sense as Mosasaur teeth can be found here on occasion, and this tooth has several common features. However, I've had a couple individuals suggest theropod tooth when I initially shared it in a couple groups back in November. This was based on the compression of the root. I'm still leaning towards Mosasaur, but recently a different person brought up the theropod theory, so I thought why not throw it up here for opinion. Multiple photos, some redundant (have done a couple "photo shoots" with this one lol). If photos of any specific area would be beneficial, please let me know. Thanks in advance for your feedback/opinions! Truly appreciate the help.
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Hi everyone, I have recently acquired this mosasaur jaw from an online auction. It is currently being shipped to me so I'll be able to take additional photos once it has arrived. The seller stated it was found in a phosphate mine in the Khouribga region in Morocco. It's 41 cm wide and 20 cm tall. I'd like to know if it's possible to identify the genus or species this jaw belongs to. I'm also wondering if it's possible to tell if it's an upper or lower jaw. Before I'd discovered this forum I made a post about it on Reddit. The people there told me the matrix is fake and there have been some small repairs made. What are the signs of the matrix being fake? And what are the signs it's been repaired/restored? Below are two more photos which will hopefully provide more information. Thanks a bunch!
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- cretaceous
- fossil
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I have a mosasaur tooth in matrix but it is surrounded by a cluster of what are presumably fish bones. There are a few vertebrae visible but I can’t seem to identify more than that. It’s from Khourigba, Morocco and is about 8 cm x 7 cm. Just wondering what these bones might be from (similar photos online make it seem like it could be pieces of an enchodus skeleton?)
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Is this Mosasaur jaw a composite?
jikohr posted a topic in Is It Real? How to Recognize Fossil Fabrications
Hi everyone! I'm hoping for a second opinion on this Mosasaur jaw. The parts look real to me, my question is did they all come from the same jaw. The jaw is 65 cm, so a pretty decent size. What do you all think? is it a composite? Any insight is appreciated as always!- 6 replies
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- composite?
- morocco
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Tooth measures .83 inches and wasfound in Asfla, Goulmima, Morocco at the Akrobou Formation. From what I’ve read this is either Thililua or Manemergus Anguirostris and the seller wasn’t 100% sure.
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- akrobou formation
- cretaeous
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So I got this tooth recently listed vaguely as a mosasaur tooth. I was wondering what genus it was from. All I know about location is that it was sourced from somewhere in Morocco.
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Dear All, One of the first fossils I acquired (this year) was a small Mosasaur jaw piece from Morocco. The dealer who I bought it from wasn't entirely sure of the species but carefully suggested it was Mosasaurus beaugei. Having now seen some teeth of M. beaugei, I'm not at all certain this identification is correct Rather, to my untrained eye, it seems to match more closely with some examples of Eremiasaurus heterodontus teeth I've found online. I'm far from an expert, however, so any help would be much appreciated! I have no exact location for where the piece was found, other than 'Spanish Sahara Morocco'. The teeth are between 22 and 26 mm long. Kind regards, Nick
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- cretaceous
- morocco
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The jaw is from the phosphates of oued zem and measures 40cm more or less. It's a juvenile thalassotitan atrox or it's another species? Thanks! @Praefectus @pachy-pleuro-whatnot-odon
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Real or fake mosasaur jaw
ruminate posted a topic in Is It Real? How to Recognize Fossil Fabrications
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Fossil marine vertebrates from the Upper Cretaceous of Akkermanovka
Praefectus posted a topic in Fossil News
Fossil marine vertebrates (Chondrichthyes, Actinopterygii, Reptilia) from the Upper Cretaceous of Akkermanovka (Orenburg Oblast, Southern Urals, Russia) Jambura et al., 2023 https://www.sciencedirect.com/science/article/pii/S0195667123003075?via%3Dihub Tylosaur (top), Polycotylid (middle), and Plesiosaur indet. teeth from the southern Urals.-
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- actinopterygii
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Mosasaur Tooth Identification - Navesink Formation (Monmouth County, NJ)
Masonk posted a topic in Fossil ID
Hi All, Last week I found this Mosasaur tooth in one of the Brooks in Monmouth County, NJ (Navesink Formation - Late Cretaceous). While in the brook, a guide from the Monmouth Museum was onsite leading a small group of college students. He identified the tooth as Halisaurus platyspondylus. Had a great conversation with the gentlemen as well, so a nice bonus. Another, more experienced individual contacted me after I posted the tooth on a local FB group. He has several similar teeth, and while not completely disagreeing with Hailisaurus, suggested Prognathodon sp. may possibly be a better fit? It's debatable based on conversations he's had with other's more experienced than him. In any case, I figured there must be several Mosasaur experts on here who may be able to weigh in on the subject. Any opinions/discussion is appreciated. I'm still learning, so this is all helpful to me. Thanks in advance!- 7 replies
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- halisaurus platyspondylus
- late cretaceous
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Hi, what species of mosasaur is this? From the phosphates of Morocco. I will tag you @Praefectus @pachy-pleuro-whatnot-odon. I am thinking Eremiasaurus left dentary with some stuff?
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From the album: Texas Campanian (Cretaceous)
Two Mosasaur caudal vertebrae Campanian Texas These two caudal vertebrae, found in the same stream, demonstrate some of the size variation seen in mosasaurs. Notice the two pits of the bottom vert - those are for the haemal arches, and with no other bony attachments except for the base of the neural spine (on the other side), we can infer that this vert came from close to the end of the tail, probably putting its owner in the 30+ foot range. Alternatively, though very worn, it seems that the smaller vert came from a position closer to the pelvis (though still caudal). Likely from a juvenile of what had to already have been a different, very small species.- 1 comment
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- mosasaur
- mosasaur vert
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A Few More Potential Fakes
Lucid_Bot posted a topic in Is It Real? How to Recognize Fossil Fabrications
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Recently I took a trip to a new spot in the Maastrichtian of Maryland. I did not manage to recover too much vertebrate material, though I have been quite intrigued by one piece that I collected. The main question regarding this piece is whether it is bone or whether it is simply a suggestively shaped rock. If it does turn out to be bone, would it be possible to determine what it may have come from? The main marine reptiles that are recovered from these deposits are mosasaur and marine turtle. A few photographs of the specimen in question. If better photographs are needed/photographs from a different angle, I would be more than happy to attach some to this thread. Thanks in advance for all suggestions and opinions!
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- bone
- cretaceous
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