Xiphactinus Posted September 28, 2018 Share Posted September 28, 2018 (edited) My wife and I found these small jaw fragments in W. Nebraska earlier this month. Not sure of the ID's. Each is about 3 cm long. Help is appreciated! Jaw 1 Jaw 2 Jaw 3 Jaw 4 Jaw 5 Edited September 28, 2018 by Xiphactinus Added labels 1 Link to comment Share on other sites More sharing options...
jpc Posted September 28, 2018 Share Posted September 28, 2018 1 ... can't say 2 looks oreodontish 3 is intriguing 4 looks like Poebrotherium jaw... camel. 5 looks like a small oreodont maxilla, but I have no scale. There... that's my expert advice. Looks like a fun trip. 4 Link to comment Share on other sites More sharing options...
Xiphactinus Posted September 28, 2018 Author Share Posted September 28, 2018 10 minutes ago, jpc said: 1 ... can't say 2 looks oreodontish 3 is intriguing 4 looks like Poebrotherium jaw... camel. 5 looks like a small oreodont maxilla, but I have no scale. There... that's my expert advice. Looks like a fun trip. Thanks @jpc! I think 5 is small oreodont....the entire piece is about an inch long. Any guess on #3? It's kind of weird. #4 I had tentatively ID'd as Leptomeryx….Your ID is more interesting! Yes, it was a very fun trip. I'll do a trip report soon. Link to comment Share on other sites More sharing options...
SailingAlongToo Posted September 28, 2018 Share Posted September 28, 2018 @MarcoSr Don't know much about history Don't know much biology Don't know much about science books......... Sam Cooke - (What A) Wonderful World Link to comment Share on other sites More sharing options...
jpc Posted September 28, 2018 Share Posted September 28, 2018 I think 3 is too big for Leptomeryx. i tossed between Lepto and camel, but I am judging by size. 1 Link to comment Share on other sites More sharing options...
Brian Roland Posted March 8, 2019 Share Posted March 8, 2019 Number one definitely looks like a Ptychodus rugosus tooth about 90 percent sure jus my personal opinion They also lived in Nebraska Link to comment Share on other sites More sharing options...
Al Dente Posted March 8, 2019 Share Posted March 8, 2019 5 hours ago, Brian Roland said: Number one definitely looks like a Ptychodus rugosus tooth about 90 percent sure jus my personal opinion They also lived in Nebraska This is a mammal jaw from the Oligocene White River Formation. Ptychodus became extinct during the Cretaceous. 2 Link to comment Share on other sites More sharing options...
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