Buchia acutistriataFrom the Jurassic in California
©
1998 Dr. Richard Paselk, Humboldt State University Natural History Museum
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Valvata scabridaFrom the Jurassic in Colorado
©
1998 Dr. Richard Paselk, Humboldt State University Natural History Museum
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Groebericeras baileyiFrom the Jurassic in California
©
2004 UCMP
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GinkgoitesFrom the Jurassic in California
©
2004 UCMP
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AmmoniteFrom the Jurassic in Nevada
©
2003 Keck Museum, University of Nevada, Reno
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Amaltheus stokesiFrom the Jurassic in Alaska
©
2003 Roland Gangloff, University of Alaska Museum
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SeirocrinusFrom the Jurassic in Alaska
©
2003 Roland Gangloff, University of Alaska Museum
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Buchia fisheriaFrom the Jurassic in Alaska
©
2003 Roland Gangloff, University of Alaska Museum
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Dinosaur footprintFrom the Jurassic in New Jersey
©
2003 Otto S. Zapecza
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