![Calcite replacing Bird's nest and eggs. Salt River Canyon, Gila County, Arizona.\nArizona-Sonoran Desert Museum exhibit.](137-3725_img_thm.jpg)
Calcite replacing Bird's nest and eggs. Salt River Canyon, Gila County, Arizona. Arizona-Sonoran Desert Museum exhibit.
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![Bird/Dino fossil in display case with book "Feathered Dinosaurs and the Origin of Flight " (edited by Sylvia J. Czerkas)](137-3727_img_thm.jpg)
Bird/Dino fossil in display case with book "Feathered Dinosaurs and the Origin of Flight " (edited by Sylvia J. Czerkas)
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![](137-3738_img_thm.jpg)
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![Nest of dinosaur eggs - China](137-3739_img_thm.jpg)
Nest of dinosaur eggs - China
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![Head of next photo](137-3740_img_thm.jpg)
Head of next photo
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![](137-3741_img_thm.jpg)
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![Keichousaurus hui, Triassic, 241.9 million years old, Henan Province, China](137-3742_img_thm.jpg)
Keichousaurus hui, Triassic, 241.9 million years old, Henan Province, China
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![Keichousaurus hui, Triassic, 241.9 million years old, Henan Province, China](137-3743_img_thm.jpg)
Keichousaurus hui, Triassic, 241.9 million years old, Henan Province, China
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![Mixosaurus sp\nMid Triassic\nGuizhou Province, China\nForge Fossils, England\n(see closeup, next photo)](137-3744_1_img_thm.jpg)
Mixosaurus sp Mid Triassic Guizhou Province, China Forge Fossils, England (see closeup, next photo)
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![Mixosaurus sp\nMid Triassic\nGuizhou Province, China\nForge Fossils, England\n(see full specimen, previous photo)](137-3744_2_img_thm.jpg)
Mixosaurus sp Mid Triassic Guizhou Province, China Forge Fossils, England (see full specimen, previous photo)
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![Placodont sp\n(possibly new species)\nMid-Triassic\nGuizhou Province, China\nChris Moore Fossils](137-3749_img_thm.jpg)
Placodont sp (possibly new species) Mid-Triassic Guizhou Province, China Chris Moore Fossils
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![](137-3751_img_thm.jpg)
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![At StoneCompany.com (Boulder, CO) booth](137-3753_img_thm.jpg)
At StoneCompany.com (Boulder, CO) booth
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![At StoneCompany.com (Boulder, CO) booth](137-3754_img_thm.jpg)
At StoneCompany.com (Boulder, CO) booth
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![Two Keichousaurus hui's, Triassic\nTrilobite\nEtc.\nForge Fossils, England](137-3756_img_thm.jpg)
Two Keichousaurus hui's, Triassic Trilobite Etc. Forge Fossils, England
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![Keichousaurus hui, Triassic\nForge Fossils, England](137-3757_img_thm.jpg)
Keichousaurus hui, Triassic Forge Fossils, England
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![](137-3761_img_thm.jpg)
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![](137-3762_img_thm.jpg)
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![](137-3782_img_thm.jpg)
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![](137-3783_img_thm.jpg)
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![](137-3784_img_thm.jpg)
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![Megaladon Shark Teeth](137-3785_img_thm.jpg)
Megaladon Shark Teeth
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![Fossil Walrus Tusk from Miocene of South Carolina\nin back of Megaladon Shark Teeth](137-3786_img_thm.jpg)
Fossil Walrus Tusk from Miocene of South Carolina in back of Megaladon Shark Teeth
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![Megaladon Shark Tooth - "only" $950 for this large specimen.](137-3787_img_thm.jpg)
Megaladon Shark Tooth - "only" $950 for this large specimen.
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![Labeled Keichousaurus hui, Middle Triassic\nGuanglin Formation\nGuizhou Province, China\n(however, looks exceptionally large for a Keichousaurus hui)](137-3788_img_thm.jpg)
Labeled Keichousaurus hui, Middle Triassic Guanglin Formation Guizhou Province, China (however, looks exceptionally large for a Keichousaurus hui)
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![Merycoidodon culbertsoni\nBrule Formation\nUpper Oligocene\nShannon Co., South Dakota](137-3791_img_thm.jpg)
Merycoidodon culbertsoni Brule Formation Upper Oligocene Shannon Co., South Dakota
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![Merycoidodon culbertsoni\nBrule Formation\nUpper Oligocene\nShannon Co., South Dakota](137-3793_img_thm.jpg)
Merycoidodon culbertsoni Brule Formation Upper Oligocene Shannon Co., South Dakota
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![Dinictis squalidens\nBrule Formation\nMiddle Oligocene\nWhite River Badlands, South Dakota](137-3795_img_thm.jpg)
Dinictis squalidens Brule Formation Middle Oligocene White River Badlands, South Dakota
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![Mosasaurus in matrix](138-3805_img_thm.jpg)
Mosasaurus in matrix
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![Rhinoceros sp\nBrule Formation\nOligocene Epoch\nSouix Co., Nebraska](138-3809_img_thm.jpg)
Rhinoceros sp Brule Formation Oligocene Epoch Souix Co., Nebraska
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![](138-3810_img_thm.jpg)
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![Russian Cave Bear fully assembled\nfrom Ural Mountains, Russia](138-3811_img_thm.jpg)
Russian Cave Bear fully assembled from Ural Mountains, Russia
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![Baby Russian Cave Bear fully assembled\nfrom Ural Mountains, Russia](138-3812_img_thm.jpg)
Baby Russian Cave Bear fully assembled from Ural Mountains, Russia
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![](138-3815_img_thm.jpg)
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![Meles meles\nHolocene\nCarpath Mountains, Romania](138-3816_img_thm.jpg)
Meles meles Holocene Carpath Mountains, Romania
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![](138-3819_img_thm.jpg)
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![](138-3824_img_thm.jpg)
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![Fossil Shark teeth in matrix](138-3826_img_thm.jpg)
Fossil Shark teeth in matrix
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![Nice assortment of fish and stingray\nGreen River formation, Wyoming](138-3827_img_thm.jpg)
Nice assortment of fish and stingray Green River formation, Wyoming
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![Fish and stingray\nGreen River formation, Wyoming](138-3828_img_thm.jpg)
Fish and stingray Green River formation, Wyoming
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![Fish from Green River formation, Wyoming](138-3829_img_thm.jpg)
Fish from Green River formation, Wyoming
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![Nice assortment of fish and stingray\nGreen River formation, Wyoming\n(It's very rare to find all the animals "upright" like this. Normally, they are in all directions which you would expect at the bottom of a lakebed.)](138-3830_img_thm.jpg)
Nice assortment of fish and stingray Green River formation, Wyoming (It's very rare to find all the animals "upright" like this. Normally, they are in all directions which you would expect at the bottom of a lakebed.)
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![Green River formation, Wyoming](138-3831_img_thm.jpg)
Green River formation, Wyoming
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![](138-3837_img_thm.jpg)
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![Mammuthus Primigenius\nPleistocene Era\nRussia\nCollected: Fall 2001](138-3839_img_thm.jpg)
Mammuthus Primigenius Pleistocene Era Russia Collected: Fall 2001
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![](138-3851_img_thm.jpg)
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![Psittacosaurus\nEarly Cretaceous\nBeipiao, Liaoning, China\n$3000](138-3852_img_thm.jpg)
Psittacosaurus Early Cretaceous Beipiao, Liaoning, China $3000
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![](139-3961_img_thm.jpg)
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![Rare Green River fish in 3D. Most are flattened by pressure of formations.\n$5200](139-3981_img_thm.jpg)
Rare Green River fish in 3D. Most are flattened by pressure of formations. $5200
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![Rare Green River fish in 3D. Most are flattened by pressure of formations.](139-3982_img_thm.jpg)
Rare Green River fish in 3D. Most are flattened by pressure of formations.
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![](139-3984_img_thm.jpg)
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![$2100](139-3985_img_thm.jpg)
$2100
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