Back to matchesWe found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleComments on the environments and faunas across the ludlovian-downtonian boundary (upper silurian) at siefton, salop.AuthorsAntia, David D. J.PublicationGeological Journal, 1979, Vol 14, Issue 2, p127ISSN0072-1050Publication typeArticleDOI10.1002/gj.3350140210