Troodon Posted September 29, 2015 Share Posted September 29, 2015 (edited) Sauropods from the Morrison Formation of North America are a fantastic assemblage of Dinosaurs. They come in different sizes and although they may look the same, head and teeth configurations are different. A good overall comparison is Scott Hartmans skeletal drawing thunder lizard. http://pre02.deviantart.net/b47c/th/pre/i/2015/111/6/2/thunder_lizard_size_comparison_by_scotthartman-d6909lc.jpg Comparison of three of the more common teeth shows how different they are. The first item in my collection that I would like to share is a Mandible from a Juvenile (Baby) Diplodocus. The section of the Jaw covering the teeth had separated so we can get a good look at the teeth. Sauropods being a herbivore have replacement teeth and boy this species has it in spades, 5 rows. The Attachment PDF shows how the replacement teeth fit in the Jaw, pretty neat I think. Wish I had some replacement teeth Sauro0001.pdf Other teeth from this family One of the largest sauropods in the Morrison is a Brachiosaurus and here is a tooth from one. Edited September 30, 2015 by Troodon 11 Link to comment Share on other sites More sharing options...
Troodon Posted September 29, 2015 Author Share Posted September 29, 2015 Apatosaurus teeth in a Premaxillary jaw section Camarasaurus teeth that were found adjacent to an exploded skull 11 in all were found. I'm fortunate to have 3 associated that are beautiful . A Jaw section from a Camarasaurus of unerrupted teeth. Front and Back Additional Camarasaurus teeth. 10 Link to comment Share on other sites More sharing options...
izak_ Posted September 29, 2015 Share Posted September 29, 2015 Like always, spectacular collection Thanks a lot for sharing! Link to comment Share on other sites More sharing options...
Troodon Posted September 29, 2015 Author Share Posted September 29, 2015 Enough on Teeth lets move on to feet Here is what I believe to be a complete hand of a Brachiosaurus, it only had one small claw. About 27" (69cm) High. A Partial foot of a Barosaurus but not positive. Hard to ID feet I'm not an expert. I find that Claws are the most difficult to ID, nothing diagnostic about them. I think dealers that put names on isolated ones are smoking, my opinion . This one was found in an Apatosaurus quarry. Baby claw sold to me as Camarasaurus 7 1 Link to comment Share on other sites More sharing options...
Troodon Posted September 29, 2015 Author Share Posted September 29, 2015 (edited) Love Vertebrae so here are three to enjoy This one weighs a ton Nice associated assemblage Complete Diplodocus Caudal. Very cool association of Allosaurus and Camarasaurus AND no presentation of Sauropod material would be complete without Gizzard Stones (Gastrolith). These were found at a sauropod quarry. Largest 2 1/4" across Edited September 29, 2015 by Troodon 8 Link to comment Share on other sites More sharing options...
Mediospirifer Posted September 29, 2015 Share Posted September 29, 2015 Nice!! You must have a significant space for keeping the collection. Some of those pieces are big! How big are the gastroliths? Link to comment Share on other sites More sharing options...
ZiggieCie Posted September 29, 2015 Share Posted September 29, 2015 THX again, I do enjoy your posts. Link to comment Share on other sites More sharing options...
jcbshark Posted September 29, 2015 Share Posted September 29, 2015 Wow, just wow I'm not a dino guy but you have some stunning pieces Thanks for sharing the pics and knowledge! Every once in a great while it's not just a big rock down there! Link to comment Share on other sites More sharing options...
Troodon Posted September 29, 2015 Author Share Posted September 29, 2015 Nice!! You must have a significant space for keeping the collection. Some of those pieces are big! How big are the gastroliths? Sorry forgot, Not big largest is around 2 1/4" 1 Link to comment Share on other sites More sharing options...
jpc Posted September 30, 2015 Share Posted September 30, 2015 (edited) Nice stuff. I am intrigued by the caudal labeled as from Como Bluff. As far as i know, there is no one collecting commercially at Como Bluff, except maybe at the Bone Cabin Quarry, which is technically not Como Bluff. Half the reason i mention this is because last weekend at the Denver show, one of the few outfits selling Morrison bones had a lot of stuff mislabeled.... Not so much the bones, but their provenance. They had not only wrong counties for some of their quarries, or wrong states, but also at least a few bones from a county in WY that does not exist.. Maybe they had help from Walt Longmire, who lives in a county that does not exist. Edited September 30, 2015 by jpc Link to comment Share on other sites More sharing options...
Troodon Posted September 30, 2015 Author Share Posted September 30, 2015 I acquired that item and that's the information provided. He obtained it from an old collection that was being parted. Could easily be Bone Cabin Quarry. Link to comment Share on other sites More sharing options...
sseth Posted September 30, 2015 Share Posted September 30, 2015 Beautiful collection of Morrison fossils. _____________________________________ Seth www.fossilshack.com www.americanfossil.com www.fishdig.com Link to comment Share on other sites More sharing options...
Troodon Posted September 30, 2015 Author Share Posted September 30, 2015 Thanks for your comments Link to comment Share on other sites More sharing options...
-Andy- Posted October 1, 2015 Share Posted October 1, 2015 Sauropod teeth are a rare sight in collections, especially ones as fine as yours. Looking forward to meeting my fellow Singaporean collectors! Do PM me if you are a Singaporean, or an overseas fossil-collector coming here for a holiday! Link to comment Share on other sites More sharing options...
jpc Posted October 1, 2015 Share Posted October 1, 2015 I acquired that item and that's the information provided. He obtained it from an old collection that was being parted. Could easily be Bone Cabin Quarry. Wasn't doubting you...just curious. Link to comment Share on other sites More sharing options...
Mediospirifer Posted October 1, 2015 Share Posted October 1, 2015 Makes me wonder if the gastroliths I have are from sauropods. Both are similar to your two smaller ones. I don't recall what provenance one had (beyond not much), but the other (I think) was labeled as Morrison Fm., Moab, UT. Do you know what other dinos would have left gastroliths? jpc, is it possible that the "county that doesn't exist" was a historical county that was dropped or renamed? I have a small piece of meteorite from Seneca Falls, NY, labeled as "Cayuga Cty". Well, Seneca Falls is in Seneca Cty today, but when the meteorite was found in the 1800s it was in Cayuga Cty. Then the map got redrawn. Could something similar be the case for the fossils you mentioned? Link to comment Share on other sites More sharing options...
Troodon Posted October 1, 2015 Author Share Posted October 1, 2015 Makes me wonder if the gastroliths I have are from sauropods. Both are similar to your two smaller ones. I don't recall what provenance one had (beyond not much), but the other (I think) was labeled as Morrison Fm., Moab, UT. Do you know what other dinos would have left gastroliths? The only locality I remember is that they are from Wyoming. I recall reading that gastroliths have been found in other non sauropod herbivores which makes sense. Link to comment Share on other sites More sharing options...
Auspex Posted October 1, 2015 Share Posted October 1, 2015 This from UCMP-Berkeley: Extinct animals that have been found with definite gastroliths in their bodies include plant-eating dinosaurs like sauropods, primitive ceratopsians, and ostrich-mimics, marine reptiles like plesiosaurs and (rarely) ichthyosaurs, and crocodilians. These animals mostly fit into two categories: plant-eaters (herbivorous dinosaurs and many birds) and animals that swim (all the rest). LINK 2 "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...
bcfossilcollector Posted October 2, 2015 Share Posted October 2, 2015 absolutely beautiful fossils! Link to comment Share on other sites More sharing options...
jpc Posted October 4, 2015 Share Posted October 4, 2015 jpc, is it possible that the "county that doesn't exist" was a historical county that was dropped or renamed? I have a small piece of meteorite from Seneca Falls, NY, labeled as "Cayuga Cty". Well, Seneca Falls is in Seneca Cty today, but when the meteorite was found in the 1800s it was in Cayuga Cty. Then the map got redrawn. Could something similar be the case for the fossils you mentioned? Possible, but unlikely. I say that only because I cannot remember what county they used, so I can't look it up. They also had some labeled from WY,but using CO and/or Utah counties. Bad record keeping. I was unimpressed. And this from an outfit that gets good reports here on TFF. Anyway, WY, has notl ost or changed spellings of counties as far as I know. Heck we have only been here about 120 years,and someof the counties have been added imn the lifetimes of old timers. I will add that a lot of ealrier finds of Cretaeous dinosaurs in WY are from Converse County. Back at the turn of the century, the richest Lance Fm beds were in Converse County, but the county has since been split, so those same fossils are from what is actually now Niobrara County. We do end up doing a bit of history research in this prehistoric game of ours. Link to comment Share on other sites More sharing options...
Dracorex_hogwartsia Posted October 5, 2015 Share Posted October 5, 2015 I hate to pick out just one thing because everything is amazing but your Brachiosaurus tooth is beyond rare. A fully rooted Diplodocid tooth is not too shabby either! I hate to keep repeating myself but your collection is truly amazing! Link to comment Share on other sites More sharing options...
Troodon Posted February 24, 2016 Author Share Posted February 24, 2016 A couple of recent pickups at the Tucson show. Camarasaurus baby tooth, smallest one I've ever seen and received the same comment from all those that have seen it. A Diplodocus caudal vert. Possible predation marks A Camarasaurus hand digit. 2 Link to comment Share on other sites More sharing options...
ynot Posted February 25, 2016 Share Posted February 25, 2016 Your collection of dino stuff is truly amazing!!! Nice to look at, thanks for providing the opportunity. Can hardly wait for the next installment!! Tony Darwin said: " Man sprang from monkeys." Will Rogers said: " Some of them didn't spring far enough." My Fossil collection - My Mineral collection My favorite thread on TFF. Link to comment Share on other sites More sharing options...
Troodon Posted February 25, 2016 Author Share Posted February 25, 2016 Thanks Tony, enjoy looking at your micro Sharktooth material. Link to comment Share on other sites More sharing options...
Vieira Posted February 25, 2016 Share Posted February 25, 2016 Fantastic fossils Troodon. Congratulations. Best regards Link to comment Share on other sites More sharing options...
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