Stimson, Matthew R., Randall F. Miller, and Spencer G. Lucas. 2016. “Reassessment of Vertebrate Ichnotaxa from the Upper Carboniferous ‘Fern Ledges’, Lancaster Formation, Saint John, New Brunswick, Canada”. Atlantic Geoscience 52 (January):021-035. https://doi.org/10.4138/atlgeol.2016.002.