Remarks on Thirteen New Species of Crinoidea from the Palaeozoic Rocks of Indiana, Kentucky, and Ohio, and a Description of Certain Peculiarities in the Structure of the Columns of Dolatocrinus, and Their Attachment to the Body of the Animal

Sidney S. Lyon
1869 Transactions of the American Philosophical Society  
doi:10.2307/1005374 fatcat:c42skebicbgklagmoxvwzwclka