URL: A Devonian Aptychus (Cephalopoda) from AlabamaAuthor Names: Yochelson, Ellis L.Era/Period/Epoch: Chattanooga ShaleCitation Note:: page 124 and abstractDocument type: AbstractPublication Type: Journal/Periodical ArticlePublication Title: Journal of PaleontologyPublication Volume Number: 57Publication Issue Number: 1Page Numbers:: 124-127Year/month of publication: 1983-01
