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Non-Cattle Specific Topics
Coffee Shop
What is this petrified looking rock,
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<blockquote data-quote="J Hoy" data-source="post: 1805723" data-attributes="member: 16398"><p>That is a nice collection of ocean animal fossils. Obviously there was an ocean over the land where you live. There are several extinct oysters in your collection from the family Gryphaeidae. Graphaea mainly lived in the Triassic and Jurassic Periods, so they lived in the ocean 200 to 250 million years ago, then they went extinct. If you look up Graphaea you will see which fossils those are in your collection. You also have shells from other bivalves from the same period. There are also some interesting snail shells.</p></blockquote><p></p>
[QUOTE="J Hoy, post: 1805723, member: 16398"] That is a nice collection of ocean animal fossils. Obviously there was an ocean over the land where you live. There are several extinct oysters in your collection from the family Gryphaeidae. Graphaea mainly lived in the Triassic and Jurassic Periods, so they lived in the ocean 200 to 250 million years ago, then they went extinct. If you look up Graphaea you will see which fossils those are in your collection. You also have shells from other bivalves from the same period. There are also some interesting snail shells. [/QUOTE]
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What is this petrified looking rock,
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