fishguy Posted January 24, 2011 Share Posted January 24, 2011 This is from the same site as the tylo. i posted before. I think it is a gyroceras nautiloid (old name)anyone know of any info about these? This one has about 80 hours of prep work done to it. Link to comment Share on other sites More sharing options...
piranha Posted January 24, 2011 Share Posted January 24, 2011 (edited) This is from the same site as the tylo. i posted before. I think it is a gyroceras nautiloid (old name)anyone know of any info about these? This one has about 80 hours of prep work done to it. Hi Fishguy and Welcome to TFF from Oregon! That's an absolutely beautiful fossil, thanks for sharing it with us! According to Index Fossils of North America the name you've provided is correct although the name Triboloceras, Hyatt, 1884 appears to have precedence. As of the 1944 printing it's referred to as Gyroceras serratum, Koninck, in honor of the nautiloid Family Koninckioceratidae. I'm sure the experts will weigh in here to sort out the particulars for you. These are recorded as Mississippian fossils. That's one of the nicest nautiloid fossils I've ever seen ... Spectacular!!! Edited January 25, 2011 by piranha Link to comment Share on other sites More sharing options...
Caleb Posted January 24, 2011 Share Posted January 24, 2011 Check out this Iowa Geological Survey bulletin. Be prepared though, it's a 20mb pdf. on page 100 is the start of CEPHALOPODS OF THE LOWER CEDAR VALLEY GROUP: A GENERAL OVERVIEW. Caleb Midwestpaleo.com Link to comment Share on other sites More sharing options...
piranha Posted January 24, 2011 Share Posted January 24, 2011 (edited) Check out this Iowa Geological Survey bulletin. Be prepared though, it's a 20mb pdf. on page 100 is the start of CEPHALOPODS OF THE LOWER CEDAR VALLEY GROUP: A GENERAL OVERVIEW. Awesome link Caleb, his fossil is in that bulletin! Just search the word "Gyroceras" to find it there! Just to clarify, IFNA describes Mississippian material from Illinois and Indiana only, not the Devonian of Iowa. Edited January 24, 2011 by piranha Link to comment Share on other sites More sharing options...
Wrangellian Posted January 25, 2011 Share Posted January 25, 2011 (edited) I can't help you though I'm sure Scott and Caleb already have, but I agree that is an impressive fossil, especially being from the Paleozoic - good job! But what is that yellowish blob on there, did something drip on it? Edited January 25, 2011 by Wrangellian Link to comment Share on other sites More sharing options...
Rob Russell Posted January 25, 2011 Share Posted January 25, 2011 Fabulous fossil Fishguy. Thanks for sharing it! Finding my way through life; one fossil at a time. Link to comment Share on other sites More sharing options...
fishguy Posted January 25, 2011 Author Share Posted January 25, 2011 This is from the same site as the tylo. i posted before. I think it is a gyroceras nautiloid (old name)anyone know of any info about these? This one has about 80 hours of prep work done to it. I fogot that a freind had used the pic in the Iowa Geo Survey Thanks for linking that. As far as the yellow stuf that is Paleo fill that the was used to fill a gap in a crack i plan on replacing it with somthing else just havent had time. Here are two others i have found one i gave to the guy for preping the first one the other i gave to the quarry manager. Thanks for the info Link to comment Share on other sites More sharing options...
Bad Posture Posted June 24, 2011 Share Posted June 24, 2011 Amazing finds! You are a very lucky person to have access to a place that harbors fossils like that. I hope you find more! Could you describe your prepping process a little? Link to comment Share on other sites More sharing options...
Foshunter Posted June 25, 2011 Share Posted June 25, 2011 That's a real beauty, thanks for sharing--Tom Grow Old Kicking And Screaming !!"Don't Tread On Me" Link to comment Share on other sites More sharing options...
howard_l Posted July 7, 2011 Share Posted July 7, 2011 Great Nautiloid! We have a similar one in Kentucky Genus Stromboceras from the Borden Formation, Lower Mississippian. What type of matrix was it in, Limestone? Howard_L http://triloman.wix.com/kentucky-fossils Link to comment Share on other sites More sharing options...
Ludwigia Posted July 7, 2011 Share Posted July 7, 2011 I missed this the first time around. Very nice finds! Roger Greetings from the Lake of Constance. Roger http://www.steinkern.de/ Link to comment Share on other sites More sharing options...
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