URL: Fossil Sponges of the Mississippian Fort Payne Chert in Northeastern AlabamaAuthor Names: Rigby, J. KeithPollard Bryant, Terry L.Era/Period/Epoch: Ft. Payne chertCitation Note:: pg 1005, abstractDocument type: AbstractPublication Type: Journal/Periodical ArticlePublication Title: Journal of PaleontologyPublication Volume Number: 53Publication Issue Number: 1Page Numbers:: 1005-1012Year/month of publication: 1979-07