Hodnett, J.-P.M. & Toomey, R. & Olson, R. & Tolleson, K. & Boldon, R. & Wood, J. & Tweet, J.S. & Santucci, V.L. (2024)
Sharks in the dark: Paleontological resource inventory reveals multiple successive Mississippian Subperiod cartilaginous fish (Chondrichthyes) assemblages within Mammoth Cave National Park, Kentucky. Parks Stewardship Forum, 40(1), 53–67
DOI: 10.5070/P540162921

Alekseev, A.S. & Lebedev, O.A. & Barskov, I.S. & Barskova, M.I. & Kononova, L.I. & Chizhova, V.A. (1994)
On the stratigraphic position of the Famennian and Tournaisian fossil vertebrate beds in Andreyevka, Tula Region, Central Russia. Proceedings of the Geologists' Association, 105(1), 41–52
DOI: 10.1016/S0016-7878(08)80137-X