PaleoNoel Posted November 22, 2019 Share Posted November 22, 2019 Hi all, these two fossils were found in North Dakota's Hell Creek fm. this past summer. I believe they are vertebrae from ornithomimosaurs but I'm not certain. I'd like the input of my peers on the forum. The first one seems like it would be from a juvenile as it's mostly complete but very small at just under an inch long. The other is missing an end, but is a bit larger at about an inch and a quarter in length. First: Second: 1 Link to comment Share on other sites More sharing options...
jpc Posted November 22, 2019 Share Posted November 22, 2019 I would call them ornithomimid, esp the second one. I am not sure about that curved ventral surface on the smaller one. 1 Link to comment Share on other sites More sharing options...
Troodon Posted November 22, 2019 Share Posted November 22, 2019 Yep ornithomimid , nice juvie...photo of Struthiomimus at the BHI to compare yours against. 1 Link to comment Share on other sites More sharing options...
Coco Posted November 22, 2019 Share Posted November 22, 2019 Hi, And the size is... Coco ---------------------- OUTIL POUR MESURER VOS FOSSILES : ici Ma bibliothèque PDF 1 (Poissons et sélaciens récents & fossiles) : ici Ma bibliothèque PDF 2 (Animaux vivants - sans poissons ni sélaciens) : ici Mâchoires sélaciennes récentes : ici Hétérodontiques et sélaciens : ici Oeufs sélaciens récents : ici Otolithes de poissons récents ! ici Un Greg... Link to comment Share on other sites More sharing options...
Troodon Posted November 22, 2019 Share Posted November 22, 2019 37 minutes ago, Coco said: Hi, And the size is... Coco "The first one seems like it would be from a juvenile as it's mostly complete but very small at just under an inch long. The other is missing an end, but is a bit larger at about an inch and a quarter in length." Link to comment Share on other sites More sharing options...
PaleoNoel Posted November 22, 2019 Author Share Posted November 22, 2019 11 hours ago, jpc said: I would call them ornithomimid, esp the second one. I am not sure about that curved ventral surface on the smaller one. 5 hours ago, Troodon said: Yep ornithomimid , nice juvie...photo of Struthiomimus at the BHI to compare yours against. Thanks guys! I had the original realization that I probably had ornithomimid vert when I saw a pic of a larger one from the Tuscon Show that @Troodon had posted. Link to comment Share on other sites More sharing options...
Coco Posted November 22, 2019 Share Posted November 22, 2019 On 11/22/2019 at 7:27 AM, Troodon said: "The first one seems like it would be from a juvenile as it's mostly complete but very small at just under an inch long. The other is missing an end, but is a bit larger at about an inch and a quarter in length." I need a red smiley... Coco ---------------------- OUTIL POUR MESURER VOS FOSSILES : ici Ma bibliothèque PDF 1 (Poissons et sélaciens récents & fossiles) : ici Ma bibliothèque PDF 2 (Animaux vivants - sans poissons ni sélaciens) : ici Mâchoires sélaciennes récentes : ici Hétérodontiques et sélaciens : ici Oeufs sélaciens récents : ici Otolithes de poissons récents ! ici Un Greg... Link to comment Share on other sites More sharing options...
Troodon Posted November 22, 2019 Share Posted November 22, 2019 6 minutes ago, Coco said: I need a red smiley... Coco Link to comment Share on other sites More sharing options...
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