Graboid Evolution and Biology - How 'Tremors' Graboids Work
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WebSep 10, 2012 · As an apex invertebrate predator, the graboid's place in the fossil record is questionable, Generally speaking, the softer and rarer the creature, the less likely it is to wind up preserved in stone. In 2009, geologist Dr. Kevin Page claimed to have found fossil evidence of a 160-million-year-old species of sand worm in Devon, England, but this ...
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