Exceptionally preserved conodont apparatuses with giant elements from the Middle Ordovician Winneshiek Konservat-Lagerstätte, Iowa, USA

Liu, H.P., Bergström, S.M., Witzke, B.J., Briggs, D.E.G., McKay, R.M. & Ferretti, A. Exceptionally preserved conodont apparatuses with giant elements from the Middle Ordovician Winneshiek Konservat-Lagerstätte, Iowa, USA. Journal of Paleontology (IN PRESS).