![Ammonite - Placenticeras meeki\n(Has undergone a unique mineralization, gem material named ammolite is derived from them, which is the gemstone of Canada)\nUpper Cretaceous \nBearpaw formation\nSouthern Alberta, Canada.\n(from Canada Fossils Ltd)](137-3730_img_thm.jpg)
Ammonite - Placenticeras meeki (Has undergone a unique mineralization, gem material named ammolite is derived from them, which is the gemstone of Canada) Upper Cretaceous Bearpaw formation Southern Alberta, Canada. (from Canada Fossils Ltd)
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![Starfish - Paleocoma sp\nMiddle Lias\nEype. Dorset, England\nChris Moore Fossils](137-3745_img_thm.jpg)
Starfish - Paleocoma sp Middle Lias Eype. Dorset, England Chris Moore Fossils
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![Starfish - Paleocoma sp\nMiddle Lias\nEype. Dorset, England\nChris Moore Fossils](137-3746_img_thm.jpg)
Starfish - Paleocoma sp Middle Lias Eype. Dorset, England Chris Moore Fossils
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![Chrinoid](137-3752_img_thm.jpg)
Chrinoid
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![](137-3765_img_thm.jpg)
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![](137-3766_img_thm.jpg)
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![Ammonite (with ammolite coating)\nSphenodiscus lenticularis\nFox Hills Formation\nLate Cretaceous\nNorth Central South Dakota\n(from Dakota Fossils, Inc.)](137-3794_img_thm.jpg)
Ammonite (with ammolite coating) Sphenodiscus lenticularis Fox Hills Formation Late Cretaceous North Central South Dakota (from Dakota Fossils, Inc.)
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![Trilobite\nIsotelus maximus\nRichmond Group\nOldenburg, Indiana\n(from Extinctions.com display)](137-3800_img_thm.jpg)
Trilobite Isotelus maximus Richmond Group Oldenburg, Indiana (from Extinctions.com display)
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![Trilobite\nKolihapeltis rabatensis\nDevonian\nAM Limestone\nMorocco\n(from Extinctions.com display)](138-3801_img_thm.jpg)
Trilobite Kolihapeltis rabatensis Devonian AM Limestone Morocco (from Extinctions.com display)
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![Trilobite\n(from Extinctions.com display)](138-3804_img_thm.jpg)
Trilobite (from Extinctions.com display)
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![Trilobite](138-3813_img_thm.jpg)
Trilobite
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![Ammonite\nAncyloceras(?)\nCretaceous\nVolga River, Russia](138-3814_img_thm.jpg)
Ammonite Ancyloceras(?) Cretaceous Volga River, Russia
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![Lots and lots of ammonites!](138-3817_img_thm.jpg)
Lots and lots of ammonites!
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![Ammonite cluster](138-3818_img_thm.jpg)
Ammonite cluster
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![](138-3821_img_thm.jpg)
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![Eurypterids\nEurypterus remipes\nSilurian arthropods\nFiddler's Green Formation\nHarkmer Co., New York\n(the state fossil of NY and ancestor of today's scorpions)](138-3822_img_thm.jpg)
Eurypterids Eurypterus remipes Silurian arthropods Fiddler's Green Formation Harkmer Co., New York (the state fossil of NY and ancestor of today's scorpions)
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![Eurypterids\nEurypterus remipes\nSilurian arthropods\nFiddler's Green Formation\nHarkmer Co., New York\n(the state fossil of NY and ancestor of today's scorpions)](138-3825_img_thm.jpg)
Eurypterids Eurypterus remipes Silurian arthropods Fiddler's Green Formation Harkmer Co., New York (the state fossil of NY and ancestor of today's scorpions)
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![Beautifully preserved crab\nArchaeogeryon peruvianum\nMiocene\nArgentina](138-3834_img_thm.jpg)
Beautifully preserved crab Archaeogeryon peruvianum Miocene Argentina
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![Shrimp\nArgentina](138-3836_img_thm.jpg)
Shrimp Argentina
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![Ammonites - Placenticeras meeki\n(Have undergone a unique mineralization, gem material named ammolite is derived from them, which is the gemstone of Canada)\nUpper Cretaceous \nBearpaw formation\nSouthern Alberta, Canada.\n(from Canada Fossils Ltd)](138-3841_img_thm.jpg)
Ammonites - Placenticeras meeki (Have undergone a unique mineralization, gem material named ammolite is derived from them, which is the gemstone of Canada) Upper Cretaceous Bearpaw formation Southern Alberta, Canada. (from Canada Fossils Ltd)
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![Opalized Belemnites\nNeohibolites sp\nCretaceous\nCoober Pedy (The Opal Capital of the World" )\nOutback of South Australia](138-3842_img_thm.jpg)
Opalized Belemnites Neohibolites sp Cretaceous Coober Pedy (The Opal Capital of the World" ) Outback of South Australia
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![Opalized Belemnites\nNeohibolites sp\nCretaceous\nCoober Pedy (The Opal Capital of the World" )\nOutback of South Australia](138-3843_img_thm.jpg)
Opalized Belemnites Neohibolites sp Cretaceous Coober Pedy (The Opal Capital of the World" ) Outback of South Australia
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![Opalized Belemnites\nNeohibolites sp\nCretaceous\nCoober Pedy (The Opal Capital of the World" )\nOutback of South Australia](138-3844_img_thm.jpg)
Opalized Belemnites Neohibolites sp Cretaceous Coober Pedy (The Opal Capital of the World" ) Outback of South Australia
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![Opalized Belemnites\nNeohibolites sp\nCretaceous\nCoober Pedy (The Opal Capital of the World" )\nOutback of South Australia](138-3845_img_thm.jpg)
Opalized Belemnites Neohibolites sp Cretaceous Coober Pedy (The Opal Capital of the World" ) Outback of South Australia
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![Fossil Crabs\nTumidocarcinus Giganteus\nMiocene\nWaipara Basin, Glenafric Beach\nNorth Canterbury, New Zealand](138-3847_img_thm.jpg)
Fossil Crabs Tumidocarcinus Giganteus Miocene Waipara Basin, Glenafric Beach North Canterbury, New Zealand
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![Fossil dragonfly\nChrysogomphus beipiaoenis\nLate Jurassic\nBeipiao, Liaoning, China](138-3848_img_thm.jpg)
Fossil dragonfly Chrysogomphus beipiaoenis Late Jurassic Beipiao, Liaoning, China
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![Fossil butterfly wing\nLate Jurassic,\nLiaoning, China](138-3849_img_thm.jpg)
Fossil butterfly wing Late Jurassic, Liaoning, China
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![Trilobite](139-3978_img_thm.jpg)
Trilobite
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![Schyphocrinites elegans\nCrinoide\nDevon\nErfoud, Sahara, Morocco\n(from Horst Burkard, Bonn, Germany)](139-3987_img_thm.jpg)
Schyphocrinites elegans Crinoide Devon Erfoud, Sahara, Morocco (from Horst Burkard, Bonn, Germany)
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![Schyphocrinites elegans\nCrinoide\nDevon\nErfoud, Sahara, Morocco\n(from Horst Burkard, Bonn, Germany)](139-3988_img_thm.jpg)
Schyphocrinites elegans Crinoide Devon Erfoud, Sahara, Morocco (from Horst Burkard, Bonn, Germany)
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![Schyphocrinites elegans\nCrinoide\nDevon\nErfoud, Sahara, Morocco\n(from Horst Burkard, Bonn, Germany)](139-3989_img_thm.jpg)
Schyphocrinites elegans Crinoide Devon Erfoud, Sahara, Morocco (from Horst Burkard, Bonn, Germany)
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![Schyphocrinites elegans\nCrinoide\nDevon\nErfoud, Sahara, Morocco\n(from Horst Burkard, Bonn, Germany)](139-3990_img_thm.jpg)
Schyphocrinites elegans Crinoide Devon Erfoud, Sahara, Morocco (from Horst Burkard, Bonn, Germany)
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