John Hamilton Posted August 20, 2013 Share Posted August 20, 2013 (edited) Here are some micro fossils from Greens Mill Run in Greenville, NC. This site ranges in age from Cretaceous to Pleistocene. Please feel free to correct my ID's or give ID's for the unknowns. 1. small bird bone 2. rat fish jaw section 3. heterodontus lateral tooth 4. dasyatis tooth 5. enchodus 6. unknown ray tooth? 7. unknown ray tooth? 8. plicatoscyllium 9. ginglymostoma 10. gar scale 11. meristodonoides 12. whale shark 13. unknown? 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. Edited August 20, 2013 by John Hamilton Link to comment Share on other sites More sharing options...
MarcoSr Posted August 20, 2013 Share Posted August 20, 2013 (edited) John 6. is a Myliobatis sp. lateral tooth. 7. looks like a Psuedohypolophus sp. but could also be a Myledaphus sp. or a Protoplatyrhina sp. These ray teeth can all look very similar especially from pictures. I'm not sure what is typically found in the Cretaceous formations at GMR. Can you shoot a few more views of 13? Two very different ids come to mind and I need some different angles to be more sure. Marco Sr. Edited August 20, 2013 by MarcoSr "Any day that you can fossil hunt is a great day." My family fossil website Some Of My Shark, Ray, Fish And Other Micros My Extant Shark Jaw Collection Link to comment Share on other sites More sharing options...
Auspex Posted August 20, 2013 Share Posted August 20, 2013 Any chance for an image of the small, broken end of #1? I'm not sure it's avian. "There has been an alarming increase in the number of things I know nothing about." - Ashleigh Ellwood Brilliant “Try to learn something about everything and everything about something.” - Thomas Henry Huxley >Paleontology is an evolving science. >May your wonders never cease! Link to comment Share on other sites More sharing options...
Al Dente Posted August 20, 2013 Share Posted August 20, 2013 Your gar scale in #10 could be a gar scale but could also be a pycnodont scale. Pycnodonts had ganoid scales and their teeth are very common in GMR and other Cretaceous sites in the state. I'm surprised to see a whale shark tooth in there. I wonder what formation it was originally deposited in. Link to comment Share on other sites More sharing options...
John Hamilton Posted August 20, 2013 Author Share Posted August 20, 2013 John 6. is a Myliobatis sp. lateral tooth. 7. looks like a Psuedohypolophus sp. but could also be a Myledaphus sp. or a Protoplatyrhina sp. These ray teeth can all look very similar especially from pictures. I'm not sure what is typically found in the Cretaceous formations at GMR. Can you shoot a few more views of 13? Two very different ids come to mind and I need some different angles to be more sure. Marco Sr. Marco, I'll try to post some more pictures of #13 when i get home from work. Link to comment Share on other sites More sharing options...
John Hamilton Posted August 20, 2013 Author Share Posted August 20, 2013 Any chance for an image of the small, broken end of #1? I'm not sure it's avian. Auspex, I assumed since it was hollow it had to be avian but I will post a photo of the broken end tonight. Link to comment Share on other sites More sharing options...
John Hamilton Posted August 20, 2013 Author Share Posted August 20, 2013 Your gar scale in #10 could be a gar scale but could also be a pycnodont scale. Pycnodonts had ganoid scales and their teeth are very common in GMR and other Cretaceous sites in the state. I'm surprised to see a whale shark tooth in there. I wonder what formation it was originally deposited in. Al, I was not aware of pyconodonts having this type of scale I will definitely look for photos to compare mine to. I was also quite surprised when I found the Rhincondon tooth since I had not heard of any coming from this location. Link to comment Share on other sites More sharing options...
John Hamilton Posted August 22, 2013 Author Share Posted August 22, 2013 Any chance for an image of the small, broken end of #1? I'm not sure it's avian. Auspex, Here is a picture of the broken end of the bone. Link to comment Share on other sites More sharing options...
John Hamilton Posted August 22, 2013 Author Share Posted August 22, 2013 Marco, I'll try to post some more pictures of #13 when i get home from work. Marco, Here are some additional photos of #13. Link to comment Share on other sites More sharing options...
Auspex Posted August 22, 2013 Share Posted August 22, 2013 Auspex, Here is a picture of the broken end of the bone. bone 1.5.jpg Thanks! I think the walls are proportionally too thick for this to be a bird bone. Think frog, maybe... "There has been an alarming increase in the number of things I know nothing about." - Ashleigh Ellwood Brilliant “Try to learn something about everything and everything about something.” - Thomas Henry Huxley >Paleontology is an evolving science. >May your wonders never cease! Link to comment Share on other sites More sharing options...
John Hamilton Posted August 22, 2013 Author Share Posted August 22, 2013 Thanks! I think the walls are proportionally too thick for this to be a bird bone. Think frog, maybe... Ok, I'll check into possible frog bone. Link to comment Share on other sites More sharing options...
MarcoSr Posted August 23, 2013 Share Posted August 23, 2013 Marco, Here are some additional photos of #13. unknown 2.2.jpgunknown 2.3.jpgunknown 2.4.jpg John I had originally thought that #13 could be a posterior shark tooth or a ray dermal denticle/scute. Seeing the extra photos the specimen doesn't look like a posterior shark tooth. Also the base doesn't look right (not flat enough) to be a ray dermal denticle/scute. Marco Sr. "Any day that you can fossil hunt is a great day." My family fossil website Some Of My Shark, Ray, Fish And Other Micros My Extant Shark Jaw Collection Link to comment Share on other sites More sharing options...
John Hamilton Posted August 23, 2013 Author Share Posted August 23, 2013 John I had originally thought that #13 could be a posterior shark tooth or a ray dermal denticle/scute. Seeing the extra photos the specimen doesn't look like a posterior shark tooth. Also the base doesn't look right (not flat enough) to be a ray dermal denticle/scute. Marco Sr. No worries. It will just remain an unkown for now. Link to comment Share on other sites More sharing options...
sixgill pete Posted August 23, 2013 Share Posted August 23, 2013 John where in the world are you getting your micro material from in the creek? I have brought home several gallon sized baggies over the years and have never found anything that makes me want to bring home more. Mostly just completely worn and broken stuff. But, after seeing this, I gotta try again. Bulldozers and dirt Bulldozers and dirt behind the trailer, my desert Them red clay piles are heaven on earth I get my rocks off, bulldozers and dirt Patterson Hood; Drive-By Truckers May 2016 May 2012 Aug 2013, May 2016, Apr 2020 Oct 2022 Link to comment Share on other sites More sharing options...
John Hamilton Posted August 23, 2013 Author Share Posted August 23, 2013 John where in the world are you getting your micro material from in the creek? I have brought home several gallon sized baggies over the years and have never found anything that makes me want to bring home more. Mostly just completely worn and broken stuff. But, after seeing this, I gotta try again. Don, I have collected the micro matrix from the gravel bars at Green Spring Park and behind the elementary school on 5th Street. If the weather cooperates and the water level is low enough I am going to try and get more this weekend. Link to comment Share on other sites More sharing options...
John Hamilton Posted August 26, 2013 Author Share Posted August 26, 2013 John I had originally thought that #13 could be a posterior shark tooth or a ray dermal denticle/scute. Seeing the extra photos the specimen doesn't look like a posterior shark tooth. Also the base doesn't look right (not flat enough) to be a ray dermal denticle/scute. Marco Sr. Marco, Do you think #13 could be an extremely worn Ewingia problematica? Link to comment Share on other sites More sharing options...
MarcoSr Posted August 27, 2013 Share Posted August 27, 2013 Marco, Do you think #13 could be an extremely worn Ewingia problematica? John I don't think so. The root doesn't look right even for an extremely worn specimen. However below are pictures of a Ewingia problematica that I found in matrix from the Neuse River, NC that you can compare your tooth to. Marco Sr. "Any day that you can fossil hunt is a great day." My family fossil website Some Of My Shark, Ray, Fish And Other Micros My Extant Shark Jaw Collection Link to comment Share on other sites More sharing options...
John Hamilton Posted August 27, 2013 Author Share Posted August 27, 2013 John I don't think so. The root doesn't look right even for an extremely worn specimen. However below are pictures of a Ewingia problematica that I found in matrix from the Neuse River, NC that you can compare your tooth to. Dad2010Ewingia Problematica.JPGDad2010Ewingia Problematica2.jpgDad2010Ewingia Problematica3.jpgDad2010Ewingia Problematica4.jpg Marco Sr. My tooth definitely does'nt resemble your tooth. Link to comment Share on other sites More sharing options...
Al Dente Posted August 27, 2013 Share Posted August 27, 2013 Ewingia had to be renamed Tomewingia because the genus name Ewingia had already been used for a group of mites. Here's a picture of one of mine from North Carolina. It differs a bit from the Texas specimens. Link to comment Share on other sites More sharing options...
MarcoSr Posted August 27, 2013 Share Posted August 27, 2013 Ewingia had to be renamed Tomewingia because the genus name Ewingia had already been used for a group of mites. Here's a picture of one of mine from North Carolina. It differs a bit from the Texas specimens. Ewingiasmall.jpg Really nice tooth! It also differs from my tooth from the Neuse River but my tooth design is close to the Texas specimens. The root of your tooth is very different. I wounder if the differences are positional differences or your tooth is a different Tomewingia species. Your tooth is also similar in design to Dalpiazia stromeri oral teeth that I have from Maastrichtian matrix from Morocco but much larger. Marco Sr. "Any day that you can fossil hunt is a great day." My family fossil website Some Of My Shark, Ray, Fish And Other Micros My Extant Shark Jaw Collection Link to comment Share on other sites More sharing options...
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