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Showing results for tags 'hadrosauridae'.
Found 11 results
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From the album: Aguja Formation
A shed tooth from a juvenile Hadrosaurid. Their teeth are arranged in dental batteries which like a conveyer belt constantly replace worn teeth. Because these marvels of eating machinery house hundreds of teeth at a time, their worn teeth are fairly common. In addition to being worn by the animal's mastication, shed teeth are often smoothed and tumbled by rivers before they are buried in sediment and fossilized.-
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From the album: Aguja Formation
Shed tooth from a very young "duckbill" dinosaur from West TX. Height: 4 mm. -
From the album: Dinosaurs
Edmontosaurus annectens Hell Creek Fm., Harding Co., SD, USA Partial dental battery Hadrosaurs had the most histologically complex teeth of any animal, with six unique tissues. This allowed for differential wear, creating an ideal coarse surface for grinding plant matter. (Erickson et al. (2012)) -
From the album: Dinosaurs
Edmontosaurus annectens Hell Creek Fm., Harding Co., SD, USA -
From the album: Dinosaurs
Edmontosaurus annectens Hell Creek Fm., Harding Co., SD, USA-
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You do not see a lot described from Japan so its nice to see this one. . Discovered in the marine Maastrichtian deposits of the Kitaama Formation. Yamatosaurus izanagii https://www.nature.com/articles/s41598-021-87719-5#disqus_thread
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The first Hadrosauridae from the Maastrichtian of Morocco is described in this paper. Pretty cool, its a lambeosaurine called Ajnabia odysseus. From Ouled Abdoun Basin. Its also the first named hadrosaur from Africa. Hopefully will see some teeth on the market. Sorry its Paywalled https://www.sciencedirect.com/science/article/abs/pii/S0195667120303657 See below for additional images
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Identification of Some Hadrosaur Teeth from North America
Troodon posted a topic in Questions & Answers
Although identification of Hadrosaurid teeth in North America is very difficult or impossible some older publications by John Horner give us some information to help us with a few. The information goes back a bit so there might be some new understanding but will share what is published. If anyone has publications that can add to the dentary information of teeth from North America please feel free to post it. Horner notes that on dentary teeth all Saurolophinae teeth have diamond-shaped crown whereas Lambeosaurinae teeth are more elongate see figure 13.4. So one may not be able- 1 reply
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- hadrosauridae
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Hey everyone, I recently came across these two teeth online. They're both pretty worn down and might no longer possess the features necessary for a more detailed ID, but I'd appreciate your help in confirming that these are actually Hadrosaurid teeth. [images attached are the seller's] Tooth 1 comes from the Judith River Formation of Montana; measuring roughly 9mm [not specified in which direction; I assume depth].  Tooth 2 comes from parts of the Aguja Formation in Western Texas; measuring approximately 13x11mm [not specified along
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From the album: Dinosaurs and Reptiles
Saurolophinae? (Saurolophus osborni?)
