Microfloral changes across the Ordovician-Silurian boundary : evidence from Canada, Britain and Estonia
Acritarchs have been recovered from late Ordovician-early Silurian strata in Anticosti Island, the type Ashgill and Llandovery areas, and from subsurface material in Estonia. Samples have yielded 54 genera (3 new: Acutesphaera, Asperasphaera and Magnasphaera), 229 species (36 new) and 100 species de...
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University of Leicester
1995
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| Online Access: | http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.674397 |