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As quartz replaced the crocidolite
The animals would finally be killed by a powerful bite of the sharp teeth (Lessem and Sovak 1999)
resin cast
The widespread occurrence of this genus suggests it was a successful and adaptable cephalopod in Mesozoic marine ecosystems
Spring water jetting upward through the sea bed layers formed the holes in this bizarre and unique formation
Fossil Crab Preserved In Travertine | Potamon potamios | Turkey Necklace As quartz replaced the crocidoliteSpecies: Potamon potamios Age: Pleistocene (<400k years) Location: Denizli Basin, Southwest Turkey Approx. specimen size: 3. 5" x 2" ( including legs) Approx. matrix size: 5. 25" x 3. 75" x 1. 5" Acrylic case stand is included. This cute little fellow is a fossil freshwater crab preserved in travertine. It is spectacularly preserved as a 3D outer cast within a cavity in white travertine. Travertine is a form of limestone deposited around mineral
