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Hajar | profile | all galleries >> Palaeogalleries >> Cambrian Explosion >> USA Lower Cambrian tree view | thumbnails | slideshow

USA Lower Cambrian

Helicoplacus gilberti, 42 mm, Lower Cambrian Poleta Formation (Atdabanian), Westgard Pass, California Camptostroma roddyi, 25 mm, Lower Cambrian, Kinzers Formation, Lancaster County, Pennsylvania, USA. Archaeocyathid, Lower Cambrian, Poleta Formation, Nevada, USA.
Mesonacis fremonti, 116 mm, Delamar Member, Pioche Shale, Nevada Olenellus chiefensis, 42 mm, Combined Metals Member, Pioche Shale, Panaca, Nevada Olenellus chiefensis, 42 mm, Combined Metals Member, Pioche Shale, Panaca, Nevada
Olenellus sp., Grand Wash Cliffs, overlooking Lake Mead, Arizona

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