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Found 44 results

  1. This egg is about 8cm long, claimed to be from Ganzhou, Jiangxi of China. Genuine?
  2. This pair of dinosaur eggs is from Jiangxi, they are of a much larger size than the typical round eggs found there (compare the size in the photo captured from a video clip). Genuine egg or concretion?
  3. I found this in the valley in a rock pile from an old rock avalanche in West Vail, CO. I've given it to my son's 4th grade class to figure out as well. Thanks for any leads.
  4. I'm decent with Hadrosaur eggs but a little new with Segnosaur eggs and I'm hoping to get the forums input. Thoughts on the authenticity on the eggs? Thank you.
  5. These are said to be crystallized dinosaur eggs from Ganzhou, Jiangxi of China. You can see clearly the crystallization inside. Are these genuine dinosaur eggs or concretion?
  6. Dinosaur eggs from Guizhou

    Are these dinosaur eggs? They are from Guizhou, China. About 18cm long. Possibly eggs of Sauropods?
  7. Found this rock while hunting on the historic railroad trail in Madison, Indiana. Found a lot of coral and shell fossils in the area.
  8. What the heck did I find?

    Found this on the side slope of an old road cut near the Cheyenne River in western South Dakota this morning...my first thought was turtle but after looking at fossilized turtle pics on line I don't think so. Could it be a dinosaur egg? It is about 18" long by 12" wide. When I grasped it and pulled on it it started separating into chunks as you can see in the second photo, and what looks like it could be the outer shell started separating from the outer portion (some pieces can be seen in the dirt to the right of the fossil(?) in question. Any help with ID would be greatly appreciated. Thanks!
  9. possible dinosaur egg

    Hoping someone can help me determine if this is a dinosaur egg?
  10. Hello members! I recently purchased my first dinosaur egg. Could you please help me identify it's authenticity? It was sold as a Hadrosaur egg. Thank you all so much!!
  11. Whole dinosaur eggs are highly sought-after fossils. The ones usually available to collectors are Hadrosaur eggs, Oviraptor eggs and Segnosaur eggs from China. This thread deals specifically with hadrosaur eggs. Hadrosaur eggs (Dendroolithus sp.) as we know from the market are in fact various dinosaur species, often hadrosaurid (many collectors/dealers lack the tools or discipline to examine eggshells under microscopes or have accredited museums examine them). Commercially available eggs vary greatly in price, anything from 150 USD to 1,500 USD depending on quality, size, hatched/unhatched and prep work. They usually range from 3.5 inches to 7 inches in diameter, and are mostly hatched types (which means the egg is in fact empty. If you prep out the bottom matrix, chances are it's hollow). However, hadrosaur eggs are also one of the most commonly faked, or mistaken fossils in the world. Anything from pieces of rock, pebbles, septarian nodules, concretions, or even chemically-etched objects are sold as eggs. There are several online right now. Here are examples of false hadrosaur eggs we often see in the market. Here are examples of partial/composite hadrosaur eggs (Note these ones are real to an extent. They can be a more economical choice as long as you know what you are getting).
  12. Some of you may know me to be an avid dinosaur-egg collector. Sadly, most eggs these days come only from China or European countries. Recently, I was lucky enough to acquire a North American dinosaur egg - A Maiasaura peeblesorum egg from Browning, Montana. This hatched egg dates to the late Cretaceous, and is inflated unlike other eggs from that area. Maiasaura is the very picture of motherly dinosaurs and nesting behavior; this egg is thus one of my favorite fossils.
  13. Segnosaurus egg?

    Hello fellow dinosaur enthusiasts! I'm currently bidding on a what they say is an Segnosaurus egg on a website. I contacted the person and she said he bought it years ago also on a website. Now is the thing she doesn't have an proof of authentication and if I look around the internet all the other Segnosaurus eggs have more smooth shells. But this might be that it was found in a different type of soil. According to her the egg was found in Xixia, China. I hope one of you guys can shed a light on this if this is an authentic egg or not.
  14. Dinosaur egg or not?

    I think I discovered what looks like a fossilized egg. I have included a few pics, hope they help with an ID! Thanks in advance
  15. Every day I look through a collection of websites and online auctions for any good deals on dinosaur fossils. Occasionally a real steal of a deal is found, but when it comes to eggs most of what I see is fake. Counterfeit dinosaur eggs are continually found, mostly being sold by the same sellers from China and Malaysia. I personally fell for this trap last year and spent a lot of money on "eggs" that were man made. This is a topic that is brought up every few months on this thread to warn fellow collectors and I think its time again to repost what many others have posted before. There was a good short article that was written by Bill Merz and distributed at last year's Tucson Gem and Mineral Show where he points out some of the most common examples of mass manufactured fake eggs.
  16. dinosaur egg???

    hi guys i love to hunt fossils and minerals, found this peculiar egg? help identify, if you need more info or pics, thanks
  17. Dinosaur egg? Species? Just curious.

    Egg came from China (unfortunately I don't have a specific area). It came from the Cretaceous time period. Dimensions (Length x Width x height) The fossil is 12cm (~5in) x 10cm (~4in) x 10cm and weighs 2.5kg. I'm not sure what kind of species this came from however I'm curious if anyone can tell me from the pictures. Either way I'm glad I have a fossil egg of some kind even though I may not know what species it is. (I'm also I little worried that it may not be an egg at all as people do mistake fossil eggs quite commonly. However I can get a full refund so no worries).
  18. Found these online. I suspect they're fakes. Beware. Not surprising if they are fake, besides, they're from China. (not saying that all fossils being sold from China are fake.)
  19. Protoceratops Egg?

    I just acquired what looks to be a very unusual egg. This single egg comes detached from a clutch of upright eggs in an antique shop in Singapore; owner would not reveal where it origins from. The egg is white, and covered in reddish-sand matrix that can be scrapped off with a needle. This egg measures 7.66 cm long (I lack measurement of the nest, owner wouldn't let me take more pics). My first thought were that these are Troodon eggs, as "upright eggs" are a characteristic of troodon eggs as far as I know. 1) Thomas(Tom) Kapitany said these looks like it came from China. He didn't personally give it an ID, but mentioned he had seen these identified as Protoceratops before. 2) Seth Sorenson said there's no way to confirm it as Troodon without skeletal material, but he said they look like small ceratopsian eggs to him. He also mentioned Protoceratops eggs have been found in standing clutches before. 3) Laogao, a fossil egg expert from China said this looks like Troodon eggs from Henan. 4) Dr. Kenneth Carpenter said these are most likely theropod eggs of the Elongatoolithus(egg oogenera) family. Without microscopic examination or confirmation of their origin, he could not give any further identification though. With such little information, I am aware there's no way to give a definitive ID of the dinosaur that laid these eggs. I'd still like to ask for your opinions though on what you believe this egg might be.
  20. Oviraptor Egg (Elongatoolithus sp.)

    From the album Dinosaur Eggs

    My Lowell-prepped Oviraptor egg. Crushed but still lovable!
  21. Small Hadrosaurid egg

    From the album Dinosaur Eggs

    A mysterious dinosaur egg from the late Cretaceous of China. Supposedly a small hadrosaurid, but still lacking a proper ID.
  22. Titanosaur egg from Rio Negro

    From the album Dinosaur Eggs

    A very rare partial Titanosaur egg from Allen Formation, Rio ######, Argentina
  23. Segnosaur Egg (Spheroolithus sp.)

    From the album Dinosaur Eggs

    A Segnosaur egg from Henan Province of China - one of the finest egg in my collection
  24. Partial sauropod egg

    From the album Dinosaur Eggs

    A partial sauropod egg from Djadokhta formation of the Gobi Desert, prepped by Mike Holmes
  25. From the album Dinosaur Eggs

    A pair of Titanosaur egg partials from Auca Mahuevo of Patagonia - an area known for yielding many prized egg remains