John S. Posted December 7, 2015 Share Posted December 7, 2015 Kinda cool- I found these 2 fragments around 1,000 feet apart in a creek. I just discovered they match up. I assume this is a jaw fragment with a tooth socket exposed? Can we tell if it's mosasaur or bony fish? From eagle ford group of late cretaceous. Thanks! North Central Texas Eagle Ford Group / Ozan Formation Link to comment Share on other sites More sharing options...
Xiphactinus Posted December 7, 2015 Share Posted December 7, 2015 (edited) Pretty sure you have a premaxilla from a Xiphactinus. You are seeing the root of the tooth split in half. I've circled the premax on this drawing.... Edited December 7, 2015 by Xiphactinus 1 Link to comment Share on other sites More sharing options...
John S. Posted December 7, 2015 Author Share Posted December 7, 2015 snarge that's good work! This would be one big fish. Hopefully I'll find more of it. North Central Texas Eagle Ford Group / Ozan Formation Link to comment Share on other sites More sharing options...
Foshunter Posted December 7, 2015 Share Posted December 7, 2015 Xiphactinus beat me to it, that is from a large fish for sure, nice find. Posted a pic of a split Mos. root to show the difference Tom Grow Old Kicking And Screaming !!"Don't Tread On Me" Link to comment Share on other sites More sharing options...
Uncle Siphuncle Posted December 7, 2015 Share Posted December 7, 2015 One cool by product of multi part finds is that they give you some idea of the effect of tumbling vs. distance in that venue, allowing you to make an educated guess of distance to the source if the downstream piece is differentially more tumbled. Grüße, Daniel A. Wöhr aus Südtexas "To the motivated go the spoils." Link to comment Share on other sites More sharing options...
John S. Posted December 8, 2015 Author Share Posted December 8, 2015 Thanks a lot guys. I never thought of that info gained, good point. North Central Texas Eagle Ford Group / Ozan Formation Link to comment Share on other sites More sharing options...
ZiggieCie Posted December 8, 2015 Share Posted December 8, 2015 Good find, good ID'S Link to comment Share on other sites More sharing options...
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