These ichthyolith counts were collected as part of a prior study, however were lumped as all ichthyoliths >38 µm: Sibert et al. (2014). Here we report the ichthyoliths and classifications >106 µm, a distinction that was not made in the prior study. Age model was developed using published biostratigraphic and magnetostratigraphic datums and updated to GTS2012, please see supplementary data for Sibert et al. (2014) for details.