Justin Blake Posted July 13, 2018 Share Posted July 13, 2018 This is my first endeavor into fossil identification and I find it fascinating! I am going through an old collection here at the nature center in Marshall County, Iowa. The collection all seems to have come from Lower Snake Creek in western Nebraska. Most of the fossils in the collection are various horse teeth but these three are different and I need some help figuring out what they are. #1 Length: 43mm Width: 23mm Height: 27mm #2 Length: 35mm Width: 20mm Height: 26mm #3 Length: 23mm Width: 13mm Height: 16mm Link to comment Share on other sites More sharing options...
GeschWhat Posted July 13, 2018 Share Posted July 13, 2018 Welcome to the forum! Sorry I can't be of help, but others that can will be along shortly. Lori www.areallycrappystory.com/fossils www.facebook.com/fossilpoo Link to comment Share on other sites More sharing options...
Fruitbat Posted July 13, 2018 Share Posted July 13, 2018 Welcome to The Fossil Forum! The Lower Snake Creek Fauna is considered to be Barstovian age (Miocene). Interestingly, the teeth in your pictures remind me a lot of some Eocene/Oligocene tapir teeth (Protapirus) that I found in the White River badlands in South Dakota: -Joe 1 Illigitimati non carborundum Fruitbat's PDF Library Link to comment Share on other sites More sharing options...
Justin Blake Posted July 16, 2018 Author Share Posted July 16, 2018 I see why they are reminiscent of the tapir teeth but they are also very different. #1 and #3 are distinctly crescent shaped with two crescent shaped ridges defining the entire the surface of the teeth. #2 is not crescent shaped and might be something completely different. Due to the crescent shape, I've been comparing them to selenodont teeth but I have yet to find anything all that close. Can you or someone else point me in the right direction? Link to comment Share on other sites More sharing options...
Justin Blake Posted July 16, 2018 Author Share Posted July 16, 2018 After finding some previous posts about Menoceras and Teleoceras I am favoring a rhino right now for #1 and #3, which would fit with the Miocene epoch of Lower Snake Creek as Fruitbat pointed out. Link to comment Share on other sites More sharing options...
Justin Blake Posted July 16, 2018 Author Share Posted July 16, 2018 I am rethinking my assumption that #2 is a tooth. I believe it is actually the distal end of a tibia. I'm thinking maybe a camel tibia? Procamelus? Link to comment Share on other sites More sharing options...
Justin Blake Posted July 18, 2018 Author Share Posted July 18, 2018 Thanks GeschWhat & Fruitbat for your responses. Can anyone confirm or give another suggestion for #2? Link to comment Share on other sites More sharing options...
abyssunder Posted July 18, 2018 Share Posted July 18, 2018 (edited) I'm guessing the teeth are fossil rhino teeth, especially the first one. (maybe something close to Oligocene-Eocene Hyracodon?) ... or maybe Subhyracodon Edited July 18, 2018 by abyssunder " We are not separate and independent entities, but like links in a chain, and we could not by any means be what we are without those who went before us and showed us the way. " Thomas Mann My Library Link to comment Share on other sites More sharing options...
Justin Blake Posted July 23, 2018 Author Share Posted July 23, 2018 Does anyone have a picture of a Procamelus or similar tibia for comparison? Link to comment Share on other sites More sharing options...
fossillarry Posted August 3, 2018 Share Posted August 3, 2018 The upper tooth is from a lower rhino tooth, probably a baby tooth. The second is a horse tooth, most likely a Hypohippus lower molar based on one of my dollars. Link to comment Share on other sites More sharing options...
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