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Showing results for tags 'megalosaurid'.
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How to differentiate megalosaurid and tyrannosaurid tooth
ruminate posted a topic in Questions & Answers
Hello everyone! Just a question, whats the best way to diffrentiate the tooth morphology between megalosaurids and tyrannosaurids? -
Howdy all, I'm interested in this tooth which has the ID of "Afrovenator abakensis," though the seller makes sure to note that this is not a concrete ID. I'm curious as to how I'd be able to identify this as a megalosaur and possibly an afrovenator. Locality is Nafanfo, Agadez, Niger.
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Howdy all, I'm interested in this Afrovenator abakensis tooth and am curious if it's legit. It was found in the Middle Jurassic Irhazer Shale of Agadez, Niger and is 1.3" long.
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- afrovenator
- megalosaurid
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Possible Lourinha Portugal Marshosaurus-like Megalosaurid Tooth
Kikokuryu posted a topic in Fossil ID
I recently purchased a Theropoda indet. tooth from the Lourinhã Formation of Lourinhã, Portugal. I wasn't expecting much initially since it looked like an incomplete tooth and the seller tends to go the safe route with their IDs if it's too vague. But, the serration count was similar to that of the Marshosaurus-like megalosaurid teeth based on @Troodon's guide on the dinosaurs of Portugal. Maybe it's just wishful thinking, but I wanted to see if anyone else had some input before I slap that good old theropoda indet. label on the display. The distal serrations is split down the middle. Mesial serrations were kind of hard to count, but they are at least 20/5mm, the distal serrations are 16/5mm. Not sure if the split serrations are messing with the count, but it should be around that 16/5mm after counting it multiple times with various pictures. I don't know how much further the tooth would have gone had it been complete, but I think the mesial serrations do appear to end before reaching the base. Although I don't know if those serration densities still overlap with other theropods like Allosaurus. Split distal serrations and shape of the base which could be slightly off due to the split serration. Distal serrations. Mesial serrations. Mesial serrations ending? Close up on denticle shape on distal side.- 7 replies
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- marshosaurus
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Hello everyone, (I'm new to this forum so please forgive me if I'm missing something important). I've recentenly saw a theropod tooth listed for sale. This tooth was described as being found in the Bathonian section of the El Mers group, and is described as an Megalosaurid. I've tried to read upon some information, but i've come to notice that there is very little avaliable. I saw a post on this forum saying that theropod teeth from El Mers are still under debate, and that teeth from the Bathonian section require the gypsum matrix to be present in order to identify it as being Bathonian. I was wondering if this fossil fits the profile of being from the Bathonian section and could be a Megalosaursid, or i this is almost impossible to tell. The pictures of the tooth are not quite as clear as I would like, but i hope it will suffice. Thanks in Advance. Details of this tooth: Size: 2x3 x5,5 cm from Morocco El Mers group, Bathionian/ Callovian
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- el mers formation
- theropod
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Hi everyone, I have here an indeterminate theropod tooth from from the Tiouraren Fm of Niger. The locality given to me was Tiouraren Hill, Téneré Desert. I've used Troodon's thread to narrow down the possibilities: 1.23" long 0.49" wide Distal serration density is 2.33/mm (mid-carina) Mesial serration density is 2.33/mm (near the tip; no serrations visible mid-carina) It's a partial tooth so I cannot get accurate base/height ratios. I'd appreciate any help identifying this. Thank you, Bellamy
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Hi. Just thought I’d try to verify the identification of this tooth. The seller claims it is a Megalosaurid tooth from the Lourinha Formation of Portugal. Unfortunately this is the best image of the tooth I have for now. Will try to obtain others.
- 11 replies
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- megalosaurid
- jurrasic
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