VOORHEESVILLE — ‘Paradise Lost–The Late Ordovician of New York’ will presented at 2 p.m. Jan. 19 at Thacher Nature Center, 87 Emma Treadwell Way, Voorheesville. During much of the Ordovician Period (488–443 million years ago), New York state was a tropical paradise for organisms that lived in shallow marine water. Thick layers of limestone formed from the abundant skeletons of marine organisms that thrived and died in these shallow, epi-continental seas. Then, in the Late Ordovician, all of that changed. This talk focuses on trilobite diversity in the Late Ordovician of New York in comparison with other parts of Laurentia (North America) and examines the environmental changes in our area that affected the organisms that lived here. For information, call 518-872-0800.


  • Starting Sunday, January 19th, 2020, repeated every day until Monday, January 20, 2020 @ 2:00 pm

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