GeschWhat Posted March 24, 2020 Share Posted March 24, 2020 Here it is with your jaws! 5 Lori www.areallycrappystory.com/fossils www.facebook.com/fossilpoo Link to comment Share on other sites More sharing options...
Monica Posted March 24, 2020 Author Share Posted March 24, 2020 4 hours ago, Herb said: Beautiful worm, Herb (unless you're a passing fish!) - thanks for sharing this image of a modern-day polychaete worm with similar mouthparts to my finds Link to comment Share on other sites More sharing options...
Monica Posted March 24, 2020 Author Share Posted March 24, 2020 3 hours ago, GeschWhat said: Here it is with your jaws! Awesome, Lori! Thanks for this "action shot"! Link to comment Share on other sites More sharing options...
Monica Posted March 24, 2020 Author Share Posted March 24, 2020 5 hours ago, Herb said: M.Ordovician polycheta from Cincinnati.pdf 5 hours ago, Herb said: Ord. scolecodonts.pdf 5 hours ago, doushantuo said: I'd urge everyone to read: or: Conodont Color Alteration an Index to Organic Metamorphism By ANITA G. EPSTEIN, JACK B. EPSTEIN, and LEONARD D. HARRIS (about 30 MB) US GEOLOGICAL SURVEY PROFESS I ONAL PAPER 995 or: directly above is from the Epstein/Harris paper: CAI,Vitrinite reflectance,graptolite periderm and palynomorph maturation are all used to assess thermal maturity,which is of course an important parameter in hydrocarbon exploration Thanks for the documents, guys! Link to comment Share on other sites More sharing options...
Coco Posted March 24, 2020 Share Posted March 24, 2020 6 hours ago, Herb said: Thanks Herb, this is the first time I see what worm jaws look like ! Impressive ! Coco 1 ---------------------- 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...
t-tree Posted March 24, 2020 Share Posted March 24, 2020 Amazing finds John 1 Be happy while you're living for you're a long time dead. Link to comment Share on other sites More sharing options...
Monica Posted March 24, 2020 Author Share Posted March 24, 2020 2 hours ago, t-tree said: Amazing finds John Thanks, John! 3 hours ago, Coco said: Thanks Herb, this is the first time I see what worm jaws look like ! Impressive ! Coco They are indeed impressive!!! Link to comment Share on other sites More sharing options...
Monica Posted March 24, 2020 Author Share Posted March 24, 2020 Update... While searching for information about scolecodonts on the internet, I came across an article dealing with Silurian scolecodonts in Ontario. I noticed that the author of the paper (Mats Eriksson) has authored numerous articles about scolecodonts, so I looked into where he's currently working, and found out that he's based out of Lund University. I then emailed him to show him my specimens to see if he could/would provide some insight, and he responded today!!! Here's what he said about the two scolecodonts pictured in the photo at the start of this thread: "Thanks for your message and those beautiful photographs! You most certainly have scolecodonts on your hands. These are quite typical of the Upper Ordovician of both the Cincinnati tri state area and parts of Canada. Most of what I see in your photos are the first maxillae of Ramphoprionidae, a common family in strata of this age of N. America...The two specimens in photo 1309 are probably also ramphoprionids; the left specimen is a right MI (slightly broken) in lateral (i.e., side) / sub-dorsal view either belonging also to Protarabellies, or possibly to genus Oenonites of the family Polychaetaspidae. The specimen to the right in the same photo is left MI probably belonging to genus Ramphoprion." So the mystery is officially solved! Hooray! And thanks so much to scolecodont specialist Mats Eriksson for getting back to me re: my specimens - what a great guy!!! PS - I'm now off to submit these two specimens for March's "Invertebrate Fossil of the Month"... 4 Link to comment Share on other sites More sharing options...
Ludwigia Posted March 24, 2020 Share Posted March 24, 2020 1 hour ago, Monica said: Update... While searching for information about scolecodonts on the internet, I came across an article dealing with Silurian scolecodonts in Ontario. I noticed that the author of the paper (Mats Eriksson) has authored numerous articles about scolecodonts, so I looked into where he's currently working, and found out that he's based out of Lund University. I then emailed him to show him my specimens to see if he could/would provide some insight, and he responded today!!! Here's what he said about the two scolecodonts pictured in the photo at the start of this thread: "Thanks for your message and those beautiful photographs! You most certainly have scolecodonts on your hands. These are quite typical of the Upper Ordovician of both the Cincinnati tri state area and parts of Canada. Most of what I see in your photos are the first maxillae of Ramphoprionidae, a common family in strata of this age of N. America...The two specimens in photo 1309 are probably also ramphoprionids; the left specimen is a right MI (slightly broken) in lateral (i.e., side) / sub-dorsal view either belonging also to Protarabellies, or possibly to genus Oenonites of the family Polychaetaspidae. The specimen to the right in the same photo is left MI probably belonging to genus Ramphoprion." So the mystery is officially solved! Hooray! And thanks so much to scolecodont specialist Mats Eriksson for getting back to me re: my specimens - what a great guy!!! PS - I'm now off to submit these two specimens for March's "Invertebrate Fossil of the Month"... Way to go Monica! 1 Greetings from the Lake of Constance. Roger http://www.steinkern.de/ Link to comment Share on other sites More sharing options...
Monica Posted March 24, 2020 Author Share Posted March 24, 2020 2 hours ago, Ludwigia said: Way to go Monica! Thanks Roger! Link to comment Share on other sites More sharing options...
Tidgy's Dad Posted March 24, 2020 Share Posted March 24, 2020 How splendid! And much kudos to Mats Ericsson. Great stuff, Monica. 1 Life's Good! Tortoise Friend. Link to comment Share on other sites More sharing options...
Monica Posted March 25, 2020 Author Share Posted March 25, 2020 1 hour ago, Tidgy's Dad said: How splendid! And much kudos to Mats Ericsson. Great stuff, Monica. Thanks, Adam! Link to comment Share on other sites More sharing options...
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