URL: Ichnology of American chalks: the Selma Group (Upper Cretaceous, Western AlabamaAuthor Names: Frey, Robert W.Bromley, Richard G.Era/Period/Epoch: Selma GroupCitation Note:: abstract and PDF download link on pageDocument type: AbstractPDF downloadPublication Type: Journal/Periodical ArticlePublication Title: Canadian Journal of Earth SciencesPublication Volume Number: 22Publication Issue Number: 6Year/month of publication: 1985-06